From owner-jsoftware@lists.interlog.com Mon Nov 30 05:14:45 1998 From: =?iso-8859-1?Q?Bj=F6rn_Gosi_Helgason?= Subject: RE: Jforum: J Primer Date: Sun, 29 Nov 1998 10:24:11 -0000 Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE1C47.37085020" ------ =_NextPart_000_01BE1C47.37085020 From: david alis[SMTP:dalis@balcab.ch] > I wonder who Eric had in mind as the typical reader when he wrote it? I think the typical reader may not be an absolute novice of computers but I think it gives quite a good start for someone who does not know about J. It is the only J book I have translated to Icelandic. What is your oppinion do you think it is too advanced ? The Primer is not alone either because you have all the labs, tutorials and demos to complement it. > Is there something like a 'Tour of J' (apropos Stroustrup's C++ > and/or the K User Guide) in preparation anywhere? There are always coming out more and more books about J and we obviously need a lot of different points of view. So if you are thinking about writing one I am sure it will be appreciated. There will always be a need for one more book about J. As it is now most books are written by specialists and tend to be quite complicated if not from the very beginning then they become very advanced very soon. /Gosi - Jack of all trades Bjorn Helgason, Spitalastig 4, 101 rvik, 354-5625441, gosi@centrum.is ------ =_NextPart_000_01BE1C47.37085020 Content-Type: application/ms-tnef Content-Transfer-Encoding: base64 eJ8+IgAJAQaQCAAEAAAAAAABAAEAAQeQBgAIAAAA5AQAAAAAAADoAAENgAQAAgAAAAIAAgABBJAG ABwBAAABAAAADAAAAAMAADADAAAACwAPDgAAAAACAf8PAQAAAEUAAAAAAAAAgSsfpL6jEBmdbgDd AQ9UAgAAAABmb3J1bUBqc29mdHdhcmUuY29tAFNNVFAAZm9ydW1AanNvZnR3YXJlLmNvbQAAAAAe AAIwAQAAAAUAAABTTVRQAAAAAB4AAzABAAAAFAAAAGZvcnVtQGpzb2Z0d2FyZS5jb20AAwAVDAEA AAADAP4PBgAAAB4AATABAAAAFgAAACdmb3J1bUBqc29mdHdhcmUuY29tJwAAAAIBCzABAAAAGQAA AFNNVFA6Rk9SVU1ASlNPRlRXQVJFLkNPTQAAAAADAAA5AAAAAAsAQDoBAAAAAgH2DwEAAAAEAAAA AAAAAxs0AQiABwAYAAAASVBNLk1pY3Jvc29mdCBNYWlsLk5vdGUAMQgBBIABABUAAABSRTogSmZv cnVtOiBKIFByaW1lcgCXBgEFgAMADgAAAM4HCwAdAAoAGAALAAAAKgEBIIADAA4AAADOBwsAHQAK AAwAKQAAADwBAQmAAQAhAAAAM0FDOEY0ODI3MTg3RDIxMThCOUEyQ0ExRkZDMDAwMDAAHAcBA5AG AMQFAAASAAAACwAjAAEAAAADACYAAAAAAAsAKQABAAAAAwA2AAAAAABAADkAAPvQZ4IbvgEeAHAA AQAAABUAAABSRTogSmZvcnVtOiBKIFByaW1lcgAAAAACAXEAAQAAABYAAAABvhuCZ8eC9Mg8h3ER 0ouaLKH/wAAAAAAeAB4MAQAAAAUAAABTTVRQAAAAAB4AHwwBAAAAEAAAAGdvc2lAY2VudHJ1bS5p cwADAAYQHvW0ywMABxBhAwAAHgAIEAEAAABlAAAARlJPTTpEQVZJREFMSVNTTVRQOkRBTElTQEJB TENBQkNISVdPTkRFUldIT0VSSUNIQURJTk1JTkRBU1RIRVRZUElDQUxSRUFERVJXSEVOSEVXUk9U RUlUP0lUSElOS1RIRVRZUAAAAAACAQkQAQAAAE4EAABKBAAAPAcAAExaRnVVs2VR/wAKAQ8CFQKo BesCgwBQAvIJAgBjaArAc2V0MjcGAAbDAoMyA8UCAHByQnER4nN0ZW0CgzN3AuQHEwKAfQqACM8J 2TvxFg8yNTUCgAqBDbELYEBuZzEwMzkK9GyQaTE0NALRaS0Z82cM0BnzC1kxNgwhE1Bv1RPQYwVA RgNhOgrhG0sDHDYMgiBkYXZpZAYgB0AEAFtTTVRQpjoe0B9BQGIHQGMBoJouEXBdCosZ0DM2GxfL FFEL8mMAQCA+HQcidXEcNkkgdwIgBIEkwGjIbyBFBRBjIBGAHxA5C4AgbQuAHxEEIHRosmUmsHlw JaAHQCAWEN8l4CUTCfAlwCbgdxxCJgD8dD8KjyJMKQUksCbAC4COaya/JREAwHkgbhxQXCBiLAAD kQGgcwbwdRcooS1QHvBjLABvZiC5BaBtcC5BEaApBWIuQEMrVyjQIGdpdgeRca51KNAtoTEAbwRw IBPA/wrABUACEAXALhAHgAIgKFFZJVFkbweRLVJrLVB3zykFAaAIYAVASi4koAVA1wQAK9MCIGwt MEotgDIA3yvAJLARgDEwK9ByAHELYGsT0B8QdCVgSS7AGPFkbSWgLikFKQVXEYA1g3n7CGEu4HAn IAMAAiAzkToSzzB4NaIyAB8gZHYAcC7A1x8QKPYpBVQr8VAFEAeA3wXANaEtUgdAMyJlKNAr8PMw AQWQYXURsDsjNvMHQO8DICviC2AuACwr0C5ABbDfBzEvpjhhHsAT4G88Ei8T7mwT4AnwNYF0OLYh TyOv/ykHKe8jLyQ3JqMWEDLTK4KSZ0FgaWsxsidUOjNBLwBKJyAoYRwxcB1DQVM3QAhgE8BydXDi JwQgQysrRw9IH0kvjULCLwWxK+JLIFURsN5yTr9PwE//HEVHMYANsPYpJgITUGUpMTegOsIAcP55 J/EWECj/Kg89pkqhCsD9QNJ3LSAEIC8hSzI1AgRgf1myJmFbQzaCBCA05ULDd/JlVyVvYh7wTWE2 MTMw/zfBMdAVoAVALvE4gA3QSpH3RCFM8AuAdAQgLvEe8AfQ/TVQUyVgBpA7I1niK4NLMT80eyhw KNBawzMxJLBhbf8yMAhwKLIkwAMQAyAtkjqA/RYQYwcwN7FEf0WPKrlXn/9PdVmEZLNaJS2SXmQy ojMi+1vXNNhBBCA71DRBKuZDMb8tcVw0amJjMRPQA6BiLTD8c3Blch9BYDFC0nARN9P/LZExdEOj JzE3sWhFYSEtUncDUivTMTByLTAtkDEQbv8DAEtBK+EDoCvhdOIvIXSVnzx3dLMuEAIgOL0vR0NA 6wCgHpItHoNKANArwC7xn0DzN1ANsAQgaEVCagWwdQOgSDhAZyaQAiBBsFOvJyABkAtgE8BpS1A0 QbArGTBPwHIe8GtBsDM1sDQtNTYYQBoAMUGwOzHwAJBALsACME2gbS4XBABoRRUxAICwAAADABAQ AAAAAAMAERAAAAAAQAAHMOC9wMyAG74BQAAIMOC9wMyAG74BHgA9AAEAAAAFAAAAUkU6IAAAAABm tg== ------ =_NextPart_000_01BE1C47.37085020-- -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Mon Nov 30 13:04:53 1998 Date: Mon, 30 Nov 1998 11:44:31 -0600 (CST) From: Kip Murray Subject: Jforum: Possible bug X-VMS-To: IN%"forum@jsoftware.com" X-VMS-Cc: MATH1IA Content-type: TEXT/PLAIN; CHARSET=US-ASCII Compare: 3&|. +: i.5 6 8 0 2 4 3&|.@+: i.5 0 2 4 6 8 (In the second, 3&|. seems to be ignored.) I ran into this while working through 26. Linear Functions in the Introduction and Dictionary. -Kip Murray -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Mon Nov 30 13:58:04 1998 Date: Mon, 30 Nov 1998 19:39:04 +0100 (MET) From: Martin Neitzel Subject: Re: Jforum: Possible bug > 3&|.@+: i.5 >0 2 4 6 8 > >3&|. seems to be ignored. No, +: has rank 0 and hence 3&|.@+: I guess you know thew fix? Martin -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Mon Nov 30 17:48:50 1998 Date: Mon, 30 Nov 1998 16:32:26 -0600 (CST) From: Kip Murray Subject: Jforum: Possible bug X-VMS-To: IN%"forum@jsoftware.com" X-VMS-Cc: MATH1IA Content-type: text/plain; CHARSET=US-ASCII (This is about the unexpected (by me) behavior of 3&|.@+: -- I thought 3&|. was being ignored by the interpreter.) "Abandon all pride, ye who enter here!" Thanks, Martin, for reminding me about ranks. The example 3&|.@+:@|. in the Introduction and Dictionary's Section 26 (Linear Functions) needs to be updated for the new (as of version 3.03) behavior of +: (rank of monad changed from _ to 0, reports status.txt) -- change the first @ to @: . While we are updating Section 26, may I suggest that in the sentence beginning "Conversely, ..." the forms m&mp and (%.m)&mp be replaced by mp&m and mp&(%.m) respectively? It is only in this sentence of Section 26 that the matrix is the left factor of the matrix product mp =: +/ . * . Of course, if the matrix is symmetric, the order will not matter, but in general the behavior of the linear function f =: mp&m is probably what you want in the context of J : applied to a matrix, this f transforms the items (rows) in the same way it transforms vectors, i.e., it is equivalent to f"1 when applied to a matrix; the other choice, f = m&mp , transforms the columns of a matrix the same way it transforms vectors -- this seems less preferable to me, given J's choice of rows as the items of a matrix. The argument for mp&m is even stronger when m is a higher dimensional array and f =: mp&m is intended to transform vectors into arrays whose shape is the shape of the items of m . If this suggestion is adopted, Exercise 26.1 will need to be modified. -Kip Murray -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Thu Dec 3 22:09:13 1998 Date: Thu, 03 Dec 1998 21:41:46 -0500 From: David Ness Subject: Jforum: Have I been ... ... dropped from the list, or is there just no traffic since Monday... -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Fri Dec 4 01:03:13 1998 Date: Fri, 04 Dec 1998 06:52:28 +0100 From: "david alis" Subject: Jforum: Mapped files References: <365FA07D.ED931CCA@balcab.ch> Is there a FAQ for J? A few of questions about mapped files.. boxed nouns and fetch.... Is it possible to use boxed nouns with mapped files? If yes, then when could we expect to see an implementation of the inverse to {:: (fetch)? If it is not possible, then when will there be support for boxed nouns and mapped files? type conversion.... Implicit type conversion happens when I amend an item of an integer array mapped noun with a floating point number . Can this conversion be controled? If it isnt possible, are there plans to provide such a mechanism? use on a network... What, if any, are the special considerations when using mapped files on a network such as Novel Netware? What is the limit to the number of mapped files I can use simultaneously during a single J session? amazing if true... If I have 20 files each of size 500Meg on my network, could I map 20 nouns to these files, and in effect operate within a 10Gig application space? Does a noun always map a contiguous part of the file? Can a noun map a closed interval within the file? If yes, can two nouns be mapped to the same file and overlap part of the same area simultaneously? david -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Fri Dec 4 10:49:29 1998 Date: Fri, 04 Dec 1998 10:27:30 -0500 From: Eric Iverson Organization: Iverson Software Inc. Subject: Re: Jforum: Mapped files References: <365FA07D.ED931CCA@balcab.ch> <3667789C.4C6D1C6D@balcab.ch> COmments on some of the questions from David Alis: > Is it possible to use boxed nouns with mapped files? There is currently no direct support for boxed nouns with mapped files. Because of the low level of the current support, you could role your own. I think support for mapped boxed nouns will follow after we get some real experience with the significant facility that is already there. > type conversion.... > Implicit type conversion happens when I amend an item of an integer array mapped > noun with a floating point number . Can this conversion be controled? If it isnt > possible, are there plans to provide such a mechanism? You have to control this explicitly yourself. For example validate or coerce the data argument to amends of mapped nouns. > use on a network... > What, if any, are the special considerations when using mapped files on a network > such as Novel Netware? The rules vary with each network and depend greatly on how the network has been configured. We currently have little experience in this area. The rules for J are no different than the rules for a C programmmer. I hope that as people learn things in this area that they will share with this forum. > What is the limit to the number of mapped files There is no J limit, but there is the limit of the address space. In NT you have 2gig and in Win95 it is 1gig of address space that is avaiable for mapped files. So you can't map your 20 files of 500meg each. You'd need logic to map and unmap nouns as you needed them. The mapping and unmapping is a fast operation, but the logic can be complicated (but still far simpler than without the facility). > Does a noun always map a contiguous part of the file? Yes, a mapping view is on a contiguous set of bytes in the file. > Can a noun map a closed interval within the file? If yes, can two nouns be mapped to > the same file and overlap part of the same area simultaneously? Yes, different nouns could map to different parts of the same file. They could overlap. ***** Some of your questions are answered by careful study of the labs and the scripts that support mapped nouns. For the depth of understanding you are seeking, you will need to study Win32 architecture books and the relevant network and network shared file system documentation. The cover on mapped files supplied for J mapped nouns is thin and completely open. What we have done is given you as the J programmer the same power as the C programmer. What you build on top of this is largely up to you and other J application programmers. -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Fri Dec 4 11:19:08 1998 From: "Randy MacDonald" Subject: Re: Jforum: Mapped files Date: Fri, 4 Dec 1998 10:58:25 -0500 charset="iso-8859-1" >Is there a FAQ for J? ftp://watserv1.uwaterloo.ca/languages/j/faq -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Fri Dec 4 16:44:51 1998 Date: Fri, 04 Dec 1998 16:22:09 -0500 From: Kirk B Iverson Subject: Re: Jforum: Have I been ... In-Reply-To: <36674BEA.A067D2C7@Home.Com> At 21:41 1998-12-03 -0500, you wrote: >... dropped from the list, or is there just no traffic since Monday... You're still in the list. There just appeared to be a lull in the traffic... /K -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Sat Dec 5 07:50:38 1998 Organization: Voxel From: "Andrew Nikitin" Date: Sat, 5 Dec 1998 14:16:07 +0200 (EET) Subject: Jforum: <&< It seems that one cannot compare 2 boxed nouns: 2 <&< 1 |domain error | 2 <&<1 At the same time j itself uses some inner subroutines, which can compare boxed nouns. For example: ]x=.<"0?~10 +-+-+-+-+-+-+-+-+-+-+ |0|2|1|8|5|7|9|6|4|3| +-+-+-+-+-+-+-+-+-+-+ /:~x +-+-+-+-+-+-+-+-+-+-+ |0|1|2|3|4|5|6|7|8|9| +-+-+-+-+-+-+-+-+-+-+ (I am not sure, that you will get exactly the same x) Of course, one may write his own routines for comparing boxed nouns. One even may use j's internal routines, accessing them via adverb like boxcmp=:1 : '([: u./ (i.~ /:~)@,)"0' NB. for dyadic use only 4 <:boxcmp&< 4 1 4 Subject: Re: Jforum: <&< In-Reply-To: Sort will compare boxed nouns. For example. /: (<2),(< 2) 0 1 (B=) On Sat, 5 Dec 1998, Andrew Nikitin wrote: +It seems that one cannot compare 2 boxed nouns: + + 2 <&< 1 +|domain error +| 2 <&<1 + + +-------------------------------------------------------------------------------- +J Forum: for information about this list, see http://www.jsoftware.com/forum.htm + + Brian Schott/Decision Sciences Dept. (404) 651-4070 bschott@gsu.edu J Mack Robinson College of Business / Georgia State Univ Atlanta, Georgia USA 30303-3083 interests: approx. reasoning, http://www.Gsu.EDU/~dscbms/ (B=) decision support systems -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Sun Dec 6 08:45:44 1998 Date: Sun, 06 Dec 1998 08:23:51 -0500 From: Roger Hui Subject: Jforum: Re: <&< References: Andrew Nikitin writes on Saturday, December 5: > It seems that one cannot compare 2 boxed nouns: > > 2 <&< 1 > |domain error > | 2 <&<1 > > At the same time j itself uses some inner subroutines, which can compare > boxed nouns. For example: > > ]x=.<"0?~10 > +-+-+-+-+-+-+-+-+-+-+ > |0|2|1|8|5|7|9|6|4|3| > +-+-+-+-+-+-+-+-+-+-+ > /:~x > +-+-+-+-+-+-+-+-+-+-+ > |0|1|2|3|4|5|6|7|8|9| > +-+-+-+-+-+-+-+-+-+-+ > ... > > Why these internal routines, that are already implemented, were not > used for definition of comparison operators over boxed arguments? The verb < is an approximation of the relation that makes the real numbers a complete ordered field, and only works on scalar real numbers (e.g. does not work on complex numbers); the partial order underlying /: works on any array of any rank. -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Sun Dec 6 18:51:05 1998 Date: Sun, 6 Dec 1998 18:32:21 -0500 (EST) From: "Brian M. Schott" Subject: Jforum: http://www.land-j.com/jfile.html In-Reply-To: <366A8567.20DB@Interlog.Com> Land-J offers a product for the Palm Pilot. I thought Jer's would want to know of another product with such a close name. Land-J Technologies JFile Application http://www.land-j.com/jfile.html (B=) -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Mon Dec 7 08:12:00 1998 Date: Mon, 07 Dec 1998 06:06:43 -0600 From: Don Guinn Subject: Re: Jforum: <&< References: I asked a similar question that Andrew asked a month or so ago; however, only mine was on characters. I remember that years ago APL only allowed for equal/not-equal comparisons on numerics. The argument was that characters didn't have an order (except in []AV) to avoid dependencies of character sets. At that time boxed (or enclosed) values did not exist. I like the extension where sort can make ordering comparisons on characters and boxed values. Why not extend it to other verbs like greater-than and less-than? It's very useful in sort. It would be very useful in other verbs as well. Brian M. Schott wrote: > Sort will compare boxed nouns. For example. > /: (<2),(< 2) > 0 1 > > (B=) > On Sat, 5 Dec 1998, Andrew Nikitin wrote: > > +It seems that one cannot compare 2 boxed nouns: > + > + 2 <&< 1 > +|domain error > +| 2 <&<1 > + > + > +-------------------------------------------------------------------------------- > +J Forum: for information about this list, see http://www.jsoftware.com/forum.htm > + > + > > Brian Schott/Decision Sciences Dept. (404) 651-4070 bschott@gsu.edu > J Mack Robinson College of Business / Georgia State Univ > Atlanta, Georgia USA 30303-3083 interests: approx. reasoning, > http://www.Gsu.EDU/~dscbms/ (B=) decision support systems > > -------------------------------------------------------------------------------- > J Forum: for information about this list, see http://www.jsoftware.com/forum.htm -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Mon Dec 7 11:33:25 1998 Date: Mon, 7 Dec 1998 10:09:24 -0600 (CST) From: John Howland Subject: Re: Jforum: Re: <&< In-Reply-To: <366A8567.20DB@Interlog.Com> On Sun, 6 Dec 1998, Roger Hui wrote: > Andrew Nikitin writes on Saturday, December 5: > > > It seems that one cannot compare 2 boxed nouns: > > > > 2 <&< 1 You can always open the boxes (<1) <&> <2 1 (<2) <&> <1 0 > > |domain error > > | 2 <&<1 > > > > At the same time j itself uses some inner subroutines, which can compare > > boxed nouns. For example: > > > > ]x=.<"0?~10 > > +-+-+-+-+-+-+-+-+-+-+ > > |0|2|1|8|5|7|9|6|4|3| > > +-+-+-+-+-+-+-+-+-+-+ > > /:~x > > +-+-+-+-+-+-+-+-+-+-+ > > |0|1|2|3|4|5|6|7|8|9| > > +-+-+-+-+-+-+-+-+-+-+ > > ... > > > > Why these internal routines, that are already implemented, were not > > used for definition of comparison operators over boxed arguments? > > The verb < is an approximation of the relation that makes the real numbers > a complete ordered field, and only works on scalar real numbers (e.g. does not > work on complex numbers); the partial order underlying /: works on any array of any rank. > > > -------------------------------------------------------------------------------- > J Forum: for information about this list, see http://www.jsoftware.com/forum.htm > ________________________________________________________________ John E. Howland url: http://www.cs.trinity.edu/~jhowland/ Computer Science email: jhowland@ariel.cs.trinity.edu Trinity University voice: (210) 736-7480 715 Stadium Drive fax: (210) 736-7477 San Antonio, Texas 78212-7200 -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Mon Dec 7 14:17:27 1998 Date: Mon, 7 Dec 1998 20:50:34 +0200 (EET) From: Oleg Kobchenko Subject: Re: Jforum: <&< In-Reply-To: <366BC4D3.BE662ADC@hal-pc.org> The issue of order and dependensy on character set is important, esp. now in the age of ever spreading unicode. To this end it might be feasible to consider utilizing an already present feature for comparison and equality: the !. fit conjunction. Currently, it is defined for numerical ordering operations and rules tollerance. In comparing character data 2&=@(3!:0), this definition is out of sence, hence this empty domain can be used to define something useful for characters, e.g. notorious 'collating sequence': NB. mapping from alphabet to a., which is then compared csLat1=. (0 : 0) NB. case insensitive with ISO-8859-1 thrown in ABC...abc...\300\301\302... ABC...ABC...A A A ... ) str1 I asked a similar question that Andrew asked a month or so ago; however, only mine > was on characters. I remember that years ago APL only allowed for equal/not-equal > comparisons on numerics. The argument was that characters didn't have an order > (except in []AV) to avoid dependencies of character sets. At that time boxed (or > enclosed) values did not exist. > > I like the extension where sort can make ordering comparisons on characters and boxed > values. Why not extend it to other verbs like greater-than and less-than? It's very > useful in sort. It would be very useful in other verbs as well. > > > Brian M. Schott wrote: > > > Sort will compare boxed nouns. For example. > > /: (<2),(< 2) > > 0 1 > > > > (B=) > > On Sat, 5 Dec 1998, Andrew Nikitin wrote: > > > > +It seems that one cannot compare 2 boxed nouns: > > + > > + 2 <&< 1 > > +|domain error > > +| 2 <&<1 -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Mon Dec 7 14:44:22 1998 Date: Mon, 7 Dec 1998 21:21:21 +0200 (EET) From: Oleg Kobchenko Subject: Jforum: Clipboard In-Reply-To: <366BC4D3.BE662ADC@hal-pc.org> Content-Type: MULTIPART/MIXED; BOUNDARY="2093029708-1499268431-913058481=:10845" This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. Send mail to mime@docserver.cac.washington.edu for more info. --2093029708-1499268431-913058481=:10845 interface to Win32api clipboard functionality SYNOPSIS: clbDir'' NB. sniff for what's available (clbRead'') fwrite <'clb.txt' NB. sneak into a file H=. takestr clbRead 'html format' NB. get a web page R=. takestr clbRead CF_RTF NB. get an rtf passage R1=.'{\rtf1\ansi{\fonttbl{\f0 Symbol;}}\f0 a+b=g}' R1 clbSet CF_RTF NB. set RTF, see clbOther formats D=. clbRead CF_DIB NB. D=. clbRead 'cf_dib' NB. same ways to get bitmaps D=. clbRead 8 NB. see win32 api for dib format clbEmpty'' NB. tabula rasa (i.3 4) clbSet 'J Data' NB. save in one session... 3 4 -: $A=. clbRead 'J Data' NB. ... retrieve in another INSTAL: add ``clipbrd \clipbrd z'' into SYSTEM\EXTRAS\CONFIG\scripts.ijs USE: load'clipbrd' HELP: scriptdoc'clipbrd' --2093029708-1499268431-913058481=:10845 Content-Type: APPLICATION/zip; name="clipbrd.zip" Content-Transfer-Encoding: BASE64 Content-ID: Content-Description: Content-Disposition: attachment; filename="clipbrd.zip" UEsDBBQAAgAIAPqWhyVsyyYY3QwAAFcnAAALAAAAY2xpcGJyZC5panO1Gv1v 2kj250bK//Cu14th1/GR9LRa0SZampCGLIEI6Jc2q66xh+CLsVnbJKFR72+/ 997M2GNj0q10V6nBnpn3Oe8bBm8cCKJMJDPXE5DF8CGIXh66ywC8MFhOYzfx YbaKvCyIIzcMsvXuzuCNw39g/GkwvBr3xm35CggyPQ0Sy4L6f3QojYLZDGZx AvdzN7NScO/cIHSnodBIGohlJFzfspowu0+CTMBrC9ec7CGzNBLh3hLbMbgw CxSsRnB+5EDm3oo0S0DhAmueLUIiu0CijONGZAh8L6awdG/KCEY1CE7OPo8m Z7kYDB1Bks0QPE01BgI+OHKsx2vcObh2ozR4vJ7FUZZNQ3xowXi9mMbhq69f 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I need to know when someone changes the selection. The documentation talks about a function 'q' so my code looks like this. Now when I double click on something in the listbox I get a domain error. Can someone point me to sample code the I can pilfer or let me know the direction I should be going. Thanks. tutor_Topics_button=: 3 : 0 Test=:wd 'q' ) -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Tue Dec 8 01:05:54 1998 Date: Wed, 02 Dec 1998 06:42:41 +0100 From: "david alis" Subject: Re: Jforum: Re: <&< References: <366A8567.20DB@Interlog.Com> Roger Hui wrote:The verb < is an approximation of the relation that makes the real numbers > a complete ordered field, and only works on scalar real numbers (e.g. does not > work on complex numbers); the partial order underlying /: works on any array of any rank. What's the reason for calling the ordering underlying /: a partial ordering? Are there examples where /: would fail? Is it possible for the J programmer to have control over the implementation of the order relation that /: uses? -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Tue Dec 8 06:30:24 1998 Date: Tue, 08 Dec 1998 06:06:14 -0500 From: Kirk B Iverson Subject: Re: Jforum: listbox In-Reply-To: <366C9D29.6A7@airmail.net> At 21:29 1998-12-07 -0600, Peter Nichols wrote: >I'm putting together a simple application that has a listbox called >Topics. I need to know when someone changes the selection. The >documentation talks about a function 'q' so my code looks like this. >Now when I double click on something in the listbox I get a domain >error. Can someone point me to sample code the I can pilfer or let me >know the direction I should be going. Thanks. > >tutor_Topics_button=: 3 : 0 >Test=:wd 'q' >) The expression wd 'q' returns information about the most recent window event. It can be called once after the event; subsequent calls will signal a domain error until another window event occurs. The wdhandler verb is called whenever a window event occurs, and it automatically calls wd 'q' and puts the result in the global wdq. So, in the tutor_Topics_button verb, if you wanted to you could access the wdq global. This typically isn't required, however, as global variables are set up by wdhandler to represent all the available information. What might be a better debugging tool is to use the wdqinfo verb, which displays in a messagebox the current wd'q' information, eg: tutor_Topics_button=: 3 : 0 wdqinfo '' ) The sections starting with "Window Driver" in the User Manual includes details about how verbs like the above are called from wdhandler. The sample code at the end of this message might help. It puts up a simple listbox which reacts differently to both single clicks and double clicks. NB. ============================================================ NB. Quick sample listbox code. NB. run with: test_run '' TEST=: 0 : 0 pc test closeok;pn "Test Listbox"; xywh 6 6 50 50;cc list listbox; xywh 60 6 73 50;cc out static; pas 6 6;pcenter; rem form end; ) NB. make N x 2 array of label;text data=: ({. , <@}.@;@:(' '&,&.>)@:}.);._2 <;._2 noun define item one This is the first item in the list. two The second item. another item These descriptions should be displayed whenever an item is selected. double click The test_list_button verb is run when the items are double clicked or when Enter is hit. ) test_run=: 3 : 0 wd TEST NB. initialize form here wd 'set list *',}.;LF,&.>{."1 data NB. set list data wd 'setselect list 0;set out *',>{:{.data NB. select first item wd 'pshow;' ) test_close=: 3 : 0 wd'pclose' ) NB. The test_list_select verb gets called whenever the NB. listbox selection changes; test_list_button is called NB. when an item is double-clicked or when enter is hit. NB. select: change the output text test_list_select=: 3 : 0 wd 'set out *',>(0".list_select){{:"1 data ) NB. button: put up a messagebox test_list_button=: 3 : 0 wd 'mb "Test Listbox" *You have selected ',list,'.' ) NB. ============================================================ /K -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Tue Dec 8 07:01:04 1998 From: "Chris Burke" Subject: Re: Jforum: listbox Date: Tue, 8 Dec 1998 06:42:42 -0500 charset="iso-8859-1" wd 'q' gives info on the last event, and is called by the standard event handler, wdhandler. Unless you are writing your own version of wdhandler, you never need to call wd 'q'. In fact, if you call it again before another event, you get an error: wd'q' domain error: wd wd'q' wd'qer' no event message : 0 Try: NB. display current selected topic: tutor_Topics_button=: 3 : 0 wdinfo 'selected: ',Topics ) See also: Help|User|Window Driver|wdhandler. >I'm putting together a simple application that has a listbox called >Topics. I need to know when someone changes the selection. The >documentation talks about a function 'q' so my code looks like this. >Now when I double click on something in the listbox I get a domain >error. Can someone point me to sample code the I can pilfer or let me >know the direction I should be going. Thanks. > >tutor_Topics_button=: 3 : 0 >Test=:wd 'q' >) -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Tue Dec 8 10:30:29 1998 Date: Tue, 08 Dec 1998 09:42:04 -0500 From: Roger Hui Subject: Re: Jforum: Re: <&< References: <366A8567.20DB@Interlog.Com> <3664D351.4F49BDBD@balcab.ch> David Alis writes on Tuesday, December 8: > Roger Hui wrote: > > The verb < is an approximation of the relation that makes the real numbers > > a complete ordered field, and only works on scalar real numbers (e.g. does not > > work on complex numbers); the partial order underlying /: works on any array of any rank. > > What's the reason for calling the ordering underlying /: a partial ordering? Are there > examples where /: would fail? Is it possible for the J programmer to have control over the > implementation of the order relation that /: uses? I erred; the ordering underlying /: is in fact a total order. (Thus there is a TAO of J (Total Array Order).) It is currently not possible for you to specify the order used in /: . There is a point that some correspondents have missed since my original msg: < is not suitable for use as the symbol for the order in /: . For example: 1 2 R 3 4 5 is 1 but 1 2 < 3 4 5 signals error; 3 4 R 1 5 is 0 but 3 4 < 1 5 is 0 1; 3j4 R 1j5 is 0 but 3j4<1j5 signals error. -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Tue Dec 8 18:39:29 1998 Date: Tue, 8 Dec 1998 18:19:45 -0500 From: Fraser Jackson Subject: Jforum: Optimisation in J Content-Disposition: inline Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by lists.interlog.com id SAA17035 Mark Leeds message raises the general issue of optimisation tools in J. While it would be attractive to have J code for many of these problems it surely would make more sense for someone skilled in C and J to convert some existing code so it can be called with a DLL. I would have thought that it should be possible to provide an interface to Numerical Recipes in the same sort of way that the LAPACK routines have been made available. The addition of LAPACK is an enormous step in improving the range of tasks which it is now efficient to tackle in J. Many of the optimisation routines available have been honed with a great deal of effort by skilled numerical analysts and are likely to be much more stable than code in J written by persons without those skills. Could I suggest it is the next area which should be added. Fraser Jackson -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Wed Dec 9 00:42:19 1998 Date: Tue, 08 Dec 1998 23:23:23 -0600 From: Peter Nichols Subject: Jforum: [Fwd: listbox] Content-Type: multipart/mixed; boundary="------------B432ADD418" This is a multi-part message in MIME format. --------------B432ADD418 Thanks everyone! The way events are caught is a whole lot clearer to me now. --------------B432ADD418 Content-Type: message/rfc822 Content-Disposition: inline Date: Mon, 07 Dec 1998 21:29:45 -0600 From: Peter Nichols Subject: listbox I'm putting together a simple application that has a listbox called Topics. I need to know when someone changes the selection. The documentation talks about a function 'q' so my code looks like this. Now when I double click on something in the listbox I get a domain error. Can someone point me to sample code the I can pilfer or let me know the direction I should be going. Thanks. tutor_Topics_button=: 3 : 0 Test=:wd 'q' ) --------------B432ADD418-- -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Wed Dec 9 11:42:05 1998 Date: Wed, 09 Dec 1998 10:57:06 -0500 From: Cliff Reiter Subject: Re: Jforum: J 2 HTML; Time for Repository Organization: Lafayette College Content-type: text/plain; charset=us-ascii References: Oleg, thanks for your posting on J to html Your effort interests me - for the moment I am more interested in converting J code - rather than objects - to web pages. For example, if you wanted a web doc showing your J definition of data2, [data2=: > I believe, it's high time to start something like CPAN for J. It > would be similar to the phrases concept, but with some important > distinctions: > > 1. The purpose of individual entries is to facilitate tasks that > usually span beyond a single line. Like J utilities. But... > > 2. The contributors are personalized and contributions are > accepted from the general public, not just those brewed by few > gurus. > > 3. The location is Internet. Well, and so on. > > A candidate for a name could be the buzz-word 'repository'. > > Here's what I can contribute. (A zipped attachment in case the > lines get screwed in e-mail.) > > --8<-------------------------------------------- ;. here ---- > > flat=: < :. (}:@}."1@}:@}.) > > tagfr=: (&,) &. ('>'&, :.('<'&,)) NB. exercise in vanity > tagbk=: (,&) &. (,&'')) > tag=: 1 : ']&.(u.(tagfr :. tagbk)u.)' > td=: ''&,@(,&'') > nbsp=: ;@:(' '"_^:(' '&=)&.>@<"0) > NB. notice how significant spaces are preserved with   > > html=: 3 : 0 > NB. copyright (c) 1998 oleg kobchenko > if. 0=L. y. do. > r=. nbsp ((,&LF@(,&'
')"1)@}: ,&, {:) ": &.flat y. > r=. >(r-:''){r;' ' > 'tt'tag r NB. comment out for non-fixed width font > else. > if. 3>$$y. do. r=. '' > if. 0=$$y. do. r=. r,('tr'tag td html >y.),LF > elseif. 1=$$y. do. > for_i. i.$y. do. r=. r,(td html >i{y.),LF end. > r=. 'tr'tag r > elseif. 1 do. > for_k. i.#y. do. > rd=. '' > for_i. i.{:$y. do. rd=. rd,(td html >( r=. r,'tr'tag rd > end. > end. > r=. '',LF,r,'
',LF > else. > r=. '' for_k. i.#y. do. > r=. r, html k{ y. > if. k < #y. do. r=. r,' 
' end. > end. > end. > end. > ) > > dump=: fwrite&(<'test01.htm')"_ > > NB. ================================ SAMPLE > > [data1=: 4 3$(<"0 ; <"1 ; <"2 ,&< <"3) ' '(<"1?4#,:2 3 4)}a.{~65+i. 2 3 4 > 'html'tag 'body'tag html data1 > > [data2=: 'html'tag 'body'tag html data2 > -- Clifford A. Reiter Mathematics Department, Lafayette College Easton, PA 18042 USA, 610-330-5277 ^^^ Note new phone exchange http://www.lafayette.edu/~reiterc -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Wed Dec 9 14:34:16 1998 From: =?iso-8859-1?Q?Bj=F6rn_Gosi_Helgason?= Subject: RE: Jforum: I-Mac Date: Wed, 9 Dec 1998 19:09:26 -0000 Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE23A7.AD013280" ------ =_NextPart_000_01BE23A7.AD013280 I had the opportunity to spend the afternoon in the store that sells the iMac here in Iceland and try out J both in native and in Windows emulation. I did not have the time to test many things but I did manage to notice a few things. I tested J4.01 on the native side and J4.02 on the WIndows emulation side. Most things did work as I expected. I am reporting some things that did not work as planned. In Native 0) the picture controlling the labs had the texts not correct. The texts did not fit in their fields. "advan" instead of "advance". "To" instead of "Top" 1) The baseform in formedit did not contain a "close" or "cancel" code nor button. 2) The event demo shows matrix when displaying the event in win but the display in native is a wrapped string. 3) no help behind menyitems ( - as expected) - not even dictionary In Win emulation 0) Socket and the internet did find the tcp/ip numbers for www.jsoftware.com but could not connect to port 80. The socket labs are not present in native so I can not tell if it is supposed to work or not. I was a bit surprised that some of it did seem to work and other things timed out. Help works fine in win side - not at all in native mode I tried Grid lab and it worked fine. Socket server - Socket Client worked fine Plot worked fine and it is impressive to display it and I did it in the store and several people came to have a look. I worked fine in both native and Win side. I have to admit that it took some time to find the keys I needed to press and how to use the mouse. Especially the right button which is mousepress. I forgot to test the mapped files. I spent most of the time on the plot stuff so I did not test anything else very much. This looks like a very promising machine and I am sure this will be a platform to watch in the future. Besides the socket part everything I tried looked much better and worked better than what I had expected. I am not going to take this in and throw everything else out just yet but I would sure like to have one. And I am going to get my own. It is more a question of when more than if. The people who were watching were no programmers but they saw that with this they could probably do things themselves they would not try otherwise. 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Distinguished Lecturer Series Guy Steele Sun Microsystems, Inc. Chelmsford, MA Wednesday, December 9, 1998 Morrill 1 North 329, Public Health Auditorium, Stockbridge Rd. 4:00 PM Faculty Host: Kathryn McKinley "Growing the Java Programming Language" Over the last quarter-century I have become convinced that trying to design a complete and perfect programming language is now the worst thing you can do. A programming language (including its associated libraries) must grow over time as its user community and its development community grows. This is a different situation from 25 years ago, when all such communities were relatively small. The difference is a problem of scale. As a result, programming language design now and in the future is necessarily as much a matter of social engineering as technical engineering and must rely more on a set of general principles than on a set of specific technical decisions. In particular, it is probably no longer feasible for a single person to design a viable programming language for widespread deployment. Instead, it needs to be a social process in which many people participate and in which a user community is grown along with the language design. Dr. Steele (PhD MIT, 1980) is most well known as the creator of Scheme, and more recently has worked on defining the Java programming language. He is the author of books on Lisp, High Performance Fortran, C, and Java. He is a Fellow of the ACM and the AAAI, and a recipient of the 1988 Grace Murray Hopper Award. He currently employed as a Distinguished Engineer at Sun Microsystems. Refreshments at 3:30 PM in the Atrium outside the Computer Science Department's Main Office, LGRC A243. --------------------------------------------------- ---------------------------------------------------- CONTRIBUTIONS: Mail to seminars-list@cs.umass.edu UNSUBSCRIBE: Send "unsubscribe seminars-list" to majordomo@cs.umass.edu PROBLEMS: Report to owner-seminars-list@cs.umass.edu TO SUBSCRIBE: Send "subscribe seminars-list" to majordomo@cs.umass.edu --Boundary_(ID_CtIIrbyGI5D7HJl6JtL16g)-- -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Thu Dec 10 11:17:41 1998 References: <366E9DD2.6774@lafvax.lafayette.edu> Organization: Voxel From: "Andrew Nikitin" Date: Thu, 10 Dec 1998 11:54:49 +0200 (EET) Subject: Re: Jforum: J 2 HTML; Time for Repository 9-Dec-98 10:57 Cliff Reiter wrote: > For example, if you wanted a web doc showing your J definition > of data2, [data2=: > dump 'html'tag 'body'tag html '[data2=: > but it wouldn't work because the stray " viewed as text. I will soon make an effort to deal with this, > but I was wondering if > 0. did I miss anything in 4.02 in this direction? system/packages/misc/html.ijs introduces verb that replaces html special characters (unfortunately, space is not converted into  ). My guess, that this script is just a placeholder, that will be filled with more useful content in future. nsg -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Thu Dec 10 11:34:36 1998 Date: Thu, 10 Dec 1998 11:10:25 -0500 (EST) From: "Brian M. Schott" Subject: RE: Jforum: I-Mac In-Reply-To: <01BE23A7.ACF80AC0@geisli-332.centrum.is> Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from QUOTED-PRINTABLE to 8bit by lists.interlog.com id LAA22888 On Wed, 9 Dec 1998, [iso-8859-1] Bj�rn Gosi Helgason wrote: +I had the opportunity to spend the afternoon in the store that +sells the iMac here in Iceland and try out J both in native and +in Windows emulation. + +I tested J4.01 on the native side and J4.02 on the WIndows emulation side. + I use J4.01 on a PPC with Mac OS 8 in "native" only. Btw, there are Release notes especially for the Mac and they describe a few limitations. My comments in relation to yours, are below. Thanks for the information. +In Native +0) the picture controlling the labs had the texts not correct. The texts + did not fit in their fields. "advan" instead of "advance". "To" instead of "Top" + Ditto. +1) The baseform in formedit did not contain a "close" or "cancel" code nor + button. + My baseform in formedit contained all code and buttons, it appears. +2) The event demo shows matrix when displaying the event in win but the + display in native is a wrapped string. + Matrix showed perfectly (I assume you mean the graphic art of colored circles in the bottom right corner of the window) The last characters in the event handler dialog always contained a few funny graphic characters including a left arrow. I do not have any experience with this "wdq" display to know whether the characters are extra or from an inappropriate font. The large field of instructions were truncated at the bottom, presumably because the font was large and the field was not sized adequately. +3) no help behind menyitems ( - as expected) - not even dictionary + Help works for most items from the help window, but not from some (notably, foreign conjunctions). +Plot worked fine and it is impressive to display it and I did it in the store and +several people came to have a look. I worked fine in both native and Win side. + I agree. There is a patch for one of the plot routines that either prints or displays the axis in reverse direction in some plots. +I have to admit that it took some time to find the keys I needed to press +and how to use the mouse. Especially the right button which is +mousepress. + That's interesting. I never use the right button. +This looks like a very promising machine and I am sure this will be a platform +to watch in the future. + + +/Gosi + (B=) -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Thu Dec 10 12:52:32 1998 From: =?iso-8859-1?Q?Bj=F6rn_Gosi_Helgason?= Subject: RE: Jforum: I-Mac Date: Thu, 10 Dec 1998 17:02:04 -0000 Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2462.15B30000" ------ =_NextPart_000_01BE2462.15B30000 From: Brian M. Schott[SMTP:dscbms@panther.Gsu.EDU] >> +2) The event demo shows matrix when displaying the >>event in win but the display in native is a wrapped string. > Matrix showed perfectly (I assume you mean the > graphic art of colored circles in the bottom right corner of > the window) What I mean is the wdqinfo popup which appears when you create an event in the event demo. If you move the mouse across the graphic you get the popup. If you do a selection iou get a popup. The form and everything on it looked fine. It was only the popup that looked wrapped. >> +3) no help behind menyitems ( - as expected) - not even dictionary > Help works for most items from the help window, but > not from some (notably, foreign conjunctions). That is strange. I did not get any help in native mode whatsoever. I did not do the install. I asked a salesperson to download and he did the install also. Everything looked fine so I assumed he had done things correctly. I tried help from the menu as well as F1 but did not get any in native mode. 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All the demos and documentation are missing how to use Set or SetB when setting data from VB to J. Anssi -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Thu Dec 10 16:25:03 1998 Date: Thu, 10 Dec 1998 16:06:48 -0500 From: Howard Peelle Subject: Jforum: n: Content-type: text/plain; charset=us-ascii Has ISI considered implementing on-the-fly constant functions for any number? E.g., 99: . While 99"_ accomplishes this, why not employ consistent notation beyond the small subset of integers _9: to 9: ? This might suggest that the colon could be construed as an adverb. Permitting a numeric pronoun, as in n: , would of course necessitate redesigning a: , p: , q: , L: , etc. Howard A. Peelle -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Thu Dec 10 17:48:25 1998 From: "Seymour Glass" Subject: Re: Jforum: Optimisation in J Date: Thu, 10 Dec 1998 17:14:44 -0500 -----Original Message----- From: Fraser Jackson Date: Tuesday, December 08, 1998 18:25 Subject: Jforum: Optimisation in J >Mark Leeds message raises the general issue of optimisation tools in J. > >While it would be attractive to have J code for many of these problems it >surely would make more sense for someone skilled in C and J to convert some >existing code so it can be called with a DLL. I would have thought that >it should be possible to provide an interface to Numerical Recipes in the >same sort of way that the LAPACK routines have been made available. > >The addition of LAPACK is an enormous step in improving the range of tasks >which it is now efficient to tackle in J. > >Many of the optimisation routines available have been honed with a great >deal of effort by skilled numerical analysts and are likely to be much more >stable than code in J written by persons without those skills. Could I >suggest it is the next area which should be added. This is of interest to me, but I don't use this stuff for a living. But since no one has responded, my two cents' is: I have converted 2 things from Numerical Recipes to J: singular-value decomposition and linear-program minimization. SVD is surely superseded by LAPACK; I don't know about the other. In each case it took a moderate amount of work to cast the algorithm into vectorized form (and for SVD the non-vectorizable part, which was O(n), took more time than the vectorizable part, which was O(n^3), for arrays of size 100x100). I agree that it is better to use commercial libraries for these tasks. But function minimization, like the brent and powell methods referred to initially, seems different. In SVD, for example, you pass in some data and get it back in a different form. But in function minimization you pass in a function, or function+data, and get back a result. Surely we want to write our functions in J; how will we interface them to this standard library? If we expect the library to call a J function at each spot that it wants a function evaluation, we might be very disappointed with the performance: J works best on vectors, of which C knows nothing. So my guess is that these functions need to be recoded in J, with enough thought to make them useful. Maybe the J users have enough of these lying around to form a library. Anybody have a J version of amoeba() ? Henry Rich -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Thu Dec 10 18:11:46 1998 Date: Thu, 10 Dec 1998 17:39:29 -0500 From: Eric Iverson Organization: Iverson Software Inc. Subject: Re: Jforum: VB & JDLLServer References: <01BE23A7.ACF80AC0@geisli-332.centrum.is> <4.1.19981210194739.009ec100@pop.kolumbus.fi> >Anssi Seppala wrote: > What is the syntax and description of Set, SetB? The VB object browser for a J server should show the Set/SetB syntax. The syntax of Get/GetB and Set/SetB are the same. Both take a name (used as a name in the J server), and a variant in the client. Get/GetB gets the value from the J name and sets it as the variant value. Set/SetB sets the value of the variant into the J name. The B suffix is a flag that indicates how character string data is treated. Without the B suffix, J strings map to client byte vectors. With the B suffix, J strings map to client BSTRs. BSTR data is convenient in VB, but byte vectors are more convenient in C++ and Java. You can use both in VB, but you will want simple utilities to convert between a byte vector and a BSTR. -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Thu Dec 10 18:22:34 1998 Date: Thu, 10 Dec 1998 17:52:34 -0500 (EST) From: "Brian M. Schott" Subject: RE: Jforum: I-Mac In-Reply-To: <01BE2462.1566B4C0@geisli-68.centrum.is> Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from QUOTED-PRINTABLE to 8bit by lists.interlog.com id RAA23679 On Thu, 10 Dec 1998, [iso-8859-1] Bj�rn Gosi Helgason wrote: +From: Brian M. Schott[SMTP:dscbms@panther.Gsu.EDU] + +What I mean is the wdqinfo popup which appears when you +create an event in the event demo. If you move the mouse across +the graphic you get the popup. If you do a selection iou get a popup. + +The form and everything on it looked fine. It was only the popup that +looked wrapped. + + Now I understand your "matrix". The columns in the wdqinfo window did not line up very well on my Mac either. So I suppose there was some wrapping. I do not have experience with such info windows. (B=) -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Fri Dec 11 07:28:32 1998 References: <367037E8.F3F3224F@educ.umass.edu> Organization: Voxel From: "Andrew Nikitin" Date: Fri, 11 Dec 1998 10:56:41 +0200 (EET) Subject: Re: Jforum: n: 10-Dec-98 16:06 Howard Peelle wrote: > Has ISI considered implementing on-the-fly constant functions > for any number? E.g., 99: . I have searched for constant functions through all my scripts (grep "[0-9]:" *.ijs) and found following entries (only uniq ones left): _8: _3: _2: 0: 1: 2: 3: 4: 7: 9: >From the other hand, all usages of "_ adverb with numeric args is listed below: 9"_ 3"_ 0 1"_ 1 1"_ 1 1 1"_ nsg -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Fri Dec 11 09:54:32 1998 Date: Fri, 11 Dec 1998 09:18:23 -0500 From: Murray Eisenberg Organization: Mathematics & Statistics, Univ. of Mass./Amherst Subject: Re: Jforum: n: References: <367037E8.F3F3224F@educ.umass.edu> Good grief, let's not have such changes in J that would break existing code making use of suffix : in existing names! Let's have code broken ONLY when absolutely necessary to achieve a MUCH larger goal (e.g., realizing that something was really misdesigned in the first place). Is it such a big deal to type ONE extra character to get, say, 99"_ instead of 99: ? Perhaps you have consistency of code in mind when mixing constant functions with large and samll integer values. In that case, the easy solution is NEVER to use the special definitions _9:, ..., 9: but rather only their equivalents _9"_, ..., 9"_ . Howard Peelle wrote: > > Has ISI considered implementing on-the-fly constant functions > for any number? E.g., 99: . > > While 99"_ accomplishes this, why not employ consistent notation > beyond the small subset of integers _9: to 9: ? > > This might suggest that the colon could be construed as an adverb. > > Permitting a numeric pronoun, as in n: , would of course necessitate > redesigning a: , p: , q: , L: , etc. > > Howard A. Peelle > > -------------------------------------------------------------------------------- > J Forum: for information about this list, see http://www.jsoftware.com/forum.htm -- Murray Eisenberg Internet: murray@math.umass.edu Mathematics & Statistics Dept. Voice: 413-545-2859 (W) University of Massachusetts 413-549-1020 (H) Amherst, MA 01003 Fax: 413-545-1801 -------------------------------------------------------------------------------- J Forum: for information about this list, see http://www.jsoftware.com/forum.htm From owner-jsoftware@lists.interlog.com Fri Dec 11 13:06:05 1998 Date: Fri, 11 Dec 1998 19:38:44 +0200 (EET) From: Oleg Kobchenko Subject: Re: Jforum: J 2 HTML; Time for Repository In-Reply-To: I concur with Andrew, the 'tohtml' verb in system\packages\misc\html.ijs should be expanded with a line: txt=. txt rplc ' ';' ' There also a couple of pitfalls with J to HTML to mention a few: (1) the 
 tag leave an extra space at the bottom,
so ...
 should be considered instead

(2) the use of box-drawing chars: one solution is my 'html'
script, the other is use of box-drawing-containg char sets,
e.g. cp866 (DOS Cyrillic) or mayby cp437 (DOS Latin) works
with IE.

See also my mesage to this forum 'PDF Files'.

On Thu, 10 Dec 1998, Andrew Nikitin wrote:

> 9-Dec-98 10:57 Cliff Reiter wrote:
>
> >   For example, if you wanted a web doc showing your J definition
> > of data2, [data2=:  >
> >   dump 'html'tag 'body'tag  html '[data2=:  >
> > but it wouldn't work because the stray " > viewed as text.   I will soon make an effort to deal with this,
> > but I was wondering if
> >   0. did I miss anything in 4.02 in this direction?
>
> system/packages/misc/html.ijs  introduces verb that replaces html special
> characters (unfortunately, space is not converted into  ). My guess, that
> this script is just a placeholder, that will be filled with more useful
> content in future.
>
>
> nsg
>
>
>
> --------------------------------------------------------------------------------
> J Forum: for information about this list, see http://www.jsoftware.com/forum.htm
>

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From owner-jsoftware@lists.interlog.com  Fri Dec 11 13:24:34 1998
From: "Chris Burke" 
Subject: Jforum: J for Windows CE
Date: Fri, 11 Dec 1998 12:53:03 -0500
	charset="iso-8859-1"

J has now been released for Windows CE.

This is the complete J402 language interpreter, plus a session manager
based on the session manager and window driver in J for Windows 9x/NT.
Scripts are easily portable between Windows CE and Windows 9x/NT, so that
this is the ideal travelling companion for the J programmer.

The system has the standard J development library, including the plot
package and grid control. In general, window driver facilities supported by
the Windows CE operating system are available in J for Windows CE.

The new LAPACK AddOn library introduced with J402 is available and runs
well on Windows CE.

For best results, 16mb or more is recommended. J can run on a smaller
machine, and indeed runs nicely on a machine with only 4mb, but may not
have enough room for all the demos and labs, and may allow only very small
apps.

J executables, scripts, and files can be stored on a flashcard to extend
the memory of the base system.

The J executables take about 750K, and the full set of distributed scripts
another 750K. The LAPACK Addon takes about 2.5MB.

There are executables for the SH3 and MIPS processors for handheld machines.

J for Windows CE can be downloaded from www.jsoftware.com.

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From owner-jsoftware@lists.interlog.com  Fri Dec 11 13:29:06 1998
Date: Fri, 11 Dec 1998 20:01:17 +0200 (EET)
From: Oleg Kobchenko 
Subject: Jforum: PDF Files
In-Reply-To: 

I downloaded (fortunately only) one .PDF file: J Dictionary.
It's a very good new feature of the J system.

There were 2 disappointmets:

(1) the pages broke at the bottom, resulting in 1-2 line
wrapping over to the next page otherwise leaving it blank.

(2) the use of '+-|' instead of true box drawing characters.
I don't believe that among the whole variety of Type 1
Adobe fonts, there isn't one with Box-Drawing. Well, I know
that these PDFs were generated with Adobe Exchage PDF Writer
from Word. But maybe it's not a good way to obtain PDF or .ps
documentation for J?

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From owner-jsoftware@lists.interlog.com  Fri Dec 11 14:08:30 1998
From: jquint@cdcna.cdcc.com
Subject: RE: Jforum: J for Windows CE
Date: Fri, 11 Dec 1998 13:38:00 -0500

Chris,

It is nice to see how one thing leads to another.  I will be a real
treat to move from J6.2 on a HP200LX to J402 on a 24M Velo 500 (I just
asked Anne Faust to send me an invoice this morning!).

Happy Holidays,

Pepe
>

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From owner-jsoftware@lists.interlog.com  Fri Dec 11 19:16:33 1998
Date: Sat, 12 Dec 1998 01:47:59 +0200
From: Anssi Seppala 
Subject: Jforum: J for Windows CE - which computer?
In-Reply-To: <002201be252f$43f9fd60$2d0114d1@xps200>
Content-Transfer-Encoding: 8bit

Congratulations for the new release.

Now I need help:
What is the best buy of a WinCE machine? Here they sell HP, but they are
HP360,HP620 and HP820 and they cost 1000-2000$.

There is also a lot of options what is included with the machine.But what
is the most suitable machine platform for a J applicaiton?

Anssi

At 12:53 11.12.1998 -0500, you wrote:
>J has now been released for Windows CE.

-------------------------------------------------------------------
Anssi Sepp�l�
Konsultti, s�hk�markkinat ja s�hk�njakelu: Sovellukset ja ohjelmistot

e-mail: anssi.seppala@enease.fi                 tel: +358 9 45400550
Enease Oy                                       fax: +358 9 45400551
Mannerheimintie 66 A 				mob: +358 400 760077
FIN - 00260  HELSINKI, Finland		http://www.kolumbus.fi/enease/

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Fri Dec 11 19:33:55 1998
From: Eemcd@aol.com
Date: Fri, 11 Dec 1998 19:01:08 EST
Subject: Re: Jforum: J for Windows CE - which computer?
Content-type: text/plain; charset=US-ASCII

This is copied from the computer.com website:

Eschewing the latest bells and whistles, Philips's
                                    new Velo 500 offers the CE 2.0 operating
system
                                    housed in last year's design. This $599
handheld
                  is one of the fastest Windows CE 2.0 units we've seen, and
it offers a
                  pleasing monochrome screen and ample storage.

                  With help from its 75-MHz RISC processor, the Velo 500 aced
our
                  performance tests. It also carries a substantial 16MB of
RAM, plus two
                  miniature card slots so you can easily add even more memory
for file
                  storage. (Miniature card is an industry standard that's not
as flexible or as
                  widely supported as the CompactFlash format that most other
handheld
                  vendors have recently adopted.) You can connect PC Cards
only through
                  an optional $89.99 external adapter. Fortunately, the Velo
integrates a
                  28.8-kbps modem, so you won't need to buy the external
adapter just to
                  connect a PC Card modem.

                  Although the Velo 500's compact size and svelte looks are
the same as its
                  predecessor's, the newer model's wider screen offers a
resolution of 640 by
                  240 pixels--as high as you'll find on even the largest new
CE devices. Good
                  contrast, fairly bright backlighting, and 16 shades of gray
make the Velo
                  500's display easier to read than most monochrome
competitors. Another
                  plus: an AC adapter comes standard.

                  If you really need color or a roomier keyboard, go for one
of the bigger
                  handhelds, such as the NEC MobilePro 750C. But if you want
to save a
                  couple hundred bucks and can live with its limitations,
check out the Velo
                  500.

Eugene McDonnell
Palo Alto

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From owner-jsoftware@lists.interlog.com  Sat Dec 12 02:43:04 1998
Date: Sat, 12 Dec 1998 09:33:41 +0200
From: Anssi Seppala 
Subject: RE: Jforum: J for Windows CE
In-Reply-To: 
Content-Transfer-Encoding: 8bit

I am a HP200LX user too. Have you any idea of the correspondence of HP200lx
build in applications with WinCE applications?

At 13:38 11.12.1998 -0500, you wrote:
>It is nice to see how one thing leads to another.  I will be a real
>treat to move from J6.2 on a HP200LX to J402 on a 24M Velo 500 (I just
>asked Anne Faust to send me an invoice this morning!).
>

-------------------------------------------------------------------
Anssi Sepp�l�
Konsultti, s�hk�markkinat ja s�hk�njakelu: Sovellukset ja ohjelmistot

e-mail: anssi.seppala@enease.fi                 tel: +358 9 45400550
Enease Oy                                       fax: +358 9 45400551
Mannerheimintie 66 A 				mob: +358 400 760077
FIN - 00260  HELSINKI, Finland		http://www.kolumbus.fi/enease/

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sat Dec 12 02:46:10 1998
Date: Sat, 12 Dec 1998 01:42:56 -0600
From: skipcave@connect.net (Ellis 'Skip' Cave)
Subject: Re: Jforum: J for Windows CE
References: <002201be252f$43f9fd60$2d0114d1@xps200>

> J has now been released for Windows CE.

Congratulations on the CE release. It was almost exactly a year ago that I wrote
suggesting that you put the J interpreter on the US Robotics pilot. You replied,
saying that the non-standard development environment and memory limitations of the
pilot prevented the port. You also wished for a small system that would be a more
straightforward port. Of course, CE is exactly that, and you have moved the J
language into a new domain. The conciseness of J is perfect for the minature CE
systems keyboards, and it makes handwriting recognition to input J code an almost
reasonable proposition.

I guess will have to take a look at the CE machines more closely. Unfortunately, I
have found the CE machines too big in most cases for my taste. I'm still a Pilot
junkie. Oh well, maybe the next generation Pilot will have enough memory, or the CE
machines will shrink a bit to the true palm size.

Skip

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From owner-jsoftware@lists.interlog.com  Sat Dec 12 05:08:07 1998
Organization: Voxel
From: "Andrew Nikitin" 
Date: Fri, 11 Dec 1998 15:47:00 +0200 (EET)
Subject: Jforum: exercise

If you feel lack of simple but clever exercises on j programming, than you may
visit rec.puzzles newsgroup archive at

ftp://rtfm.mit.edu/pub/usenet/news.answers/puzzles/archive
ftp://ftp.cs.ruu.nl/pub/NEWS.ANSWERS/puzzles/archive
ftp://ftp.uni-paderborn.de/doc/FAQ/rec/puzzles
ftp://ftp.hk.super.net/mirror/faqs/puzzles/archive
etc. (any news archive will do)

Of course not every puzzle collected in it fits as j exercise, but many of
them, especially those from arithmetic/ section do.

For example:

NB. ==> analysis/tower.p <==
NB. R = N ^ (N ^ (N ^ ...)).  What is the maximum N>0 that will yield a finite
NB. R?

   load 'system/packages/math/brent'
   12j10": (_: = ^^:_~) brent 1 2 0.000000001 0.5
1.4446678606

By the way, brent.ijs is to be patched to use it as above. Replace 'brent=.'
with 'brent=:' in the script.

NB. ==> arithmetic/digits/equations/123456789.p <==
NB. In how many ways can "." be replaced with "+", "-", or "" (concatenate) in
NB. .1.2.3.4.5.6.7.8.9=1 to form a correct equation?
    terms=: ((1: , e.&'+-') <;._1 ' '&,)
    ops=: #~ e.&'+-'
    jorder=:([: ; [: , terms ,.&|. a:"_ , ops <"1@,. '~'"_)
    exprs=:(#~' '&~:)@([: '0'&,@, ,.&'123456789')"1 ' +-' {~ (9#3)#:i.3^9
    ones=:(#~ 1: = do@jorder"1) exprs
    # (#~ {."1 ~: '+'"1) }."1 ones
43

NB. ==> arithmetic/digits/least.significant/tower.of.power.p <==
NB. What are the least significant digits of 9^(8^(7^(6^(5^(4^(3^(2^1))))))) ?

Sometimes you will need to change the puzzle slightly. In above case the
puzzle itself is trivial, but what can you say about the last digit of
^/>:9?9x ?

nsg

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sat Dec 12 08:17:43 1998
From: "Chris Burke" 
Subject: Re: Jforum: PDF Files
Date: Sat, 12 Dec 1998 08:02:20 -0500
	charset="iso-8859-1"

>I downloaded (fortunately only) one .PDF file: J Dictionary.
>It's a very good new feature of the J system.
>
>There were 2 disappointmets:
>
>(1) the pages broke at the bottom, resulting in 1-2 line
>wrapping over to the next page otherwise leaving it blank.
>
>(2) the use of '+-|' instead of true box drawing characters.
>I don't believe that among the whole variety of Type 1
>Adobe fonts, there isn't one with Box-Drawing. Well, I know
>that these PDFs were generated with Adobe Exchage PDF Writer
>from Word. But maybe it's not a good way to obtain PDF or .ps
>documentation for J?

Right, these were generated directly from the Word source.

The Word files print correctly on a LaserJet, but the PDF writer formats the
pages differently, with some extra page breaks. It would be a tedious
exercise to manually reformat the pages to print correctly to PDF.

I experimented a little, but could find no way of preserving the box-drawing
characters using the PDF writer.

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sat Dec 12 08:19:15 1998
From: "Chris Burke" 
Subject: Jforum: Time for Repository
Date: Sat, 12 Dec 1998 08:06:45 -0500
	charset="iso-8859-1"

Oleg Kobchenko recently posted to J forum a very useful
script supporting the Windows clipboard.

We have been getting a number of user contributions of this
type, which for the most part have been included with the J
distribution, and often just buried in existing scripts.

Bjorn and John Baker suggested we set up a page at
www.jsoftware.com for such contributions, and we now plan
to get this going in the next few days. The page will just list Author,
Outline, plus a link to the script. Ideally, the script should be
formatted for scriptdoc.

Contributions are welcome, and can be sent to me or posted
on the J forum.

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From owner-jsoftware@lists.interlog.com  Sat Dec 12 10:53:51 1998
Date: Sat, 12 Dec 1998 09:43:29 -0600
From: Peter Nichols 
Subject: Jforum: Searching in Help

If I'm in the User manual (for example) looking at the wd commands; is
there a way to search for text within the window.  It seems to always go
to the help search.  If not it might be good to add.  Thanks.

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sat Dec 12 10:59:52 1998
Date: Sat, 12 Dec 1998 10:38:26 -0500
From: Eric Iverson 
Organization: Iverson Software Inc.
Subject: Re: Jforum: J for Windows CE - which computer?
References: <4.1.19981212012306.009f3e30@pop.kolumbus.fi>

>Anssi Seppala wrote:
> What is the best buy of a WinCE machine?
We should make it clear that J is only supported on CE machines with
keyboards. That is, it works only on the handheld/pc. We have not ported
to the palmtop/pc (no keyboard). In theory only a little work (possibly
none) is required to do this, but we won't take that step until we see
if the handhelp/pc market for J is successful.

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From owner-jsoftware@lists.interlog.com  Sat Dec 12 11:00:02 1998
Date: Sat, 12 Dec 1998 10:28:27 -0500
From: Eric Iverson 
Organization: Iverson Software Inc.
Subject: Re: Jforum: J for Windows CE - which computer?
References: <4.1.19981212012306.009f3e30@pop.kolumbus.fi>

>Anssi Seppala wrote:
> What is the best buy of a WinCE machine? Here they sell HP, but they are
> HP360,HP620 and HP820 and they cost 1000-2000$.
Be sure you get an SH3 or MIPS processor. The newest HP CE machine uses
an Intel StrongArm processor. Our support of this is still several
months away (the development environment cross compiler for it is still
in a beta release from MS). I think the HP820 (Jornada?) is the Intel
processor.

There is a new version of the HP620, the HP660, with a faster SH3
processor with more memory (32MB instead of 16MB).

Look for a keyboard that you can really use. I found the HP620LX
keyboard too small for my fingers, although one gets better with
experience. The NEC 750 has a great keyboard and has a MIPS processor
that is noticably faster than the HP620.

There are also machines from Philips, Casio, Sharp, and several others.
There are magazines devoted to this class of machine. It might be
worthwhile to take a quick look at recent issues for reviews.

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From ljdickey Sat Dec 12 11:04:42 1998
Subject: Re:  Jforum: Time for Repository

Excellent idea.

From owner-jsoftware@lists.interlog.com  Sat Dec 12 11:36:57 1998
Date: Sat, 12 Dec 1998 10:29:03 -0600
From: Peter Nichols 
Subject: Jforum: Enabling & Disabling Controls

How do I enable and disable controls?  I can't find it in the help any
where.  Thanks.

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sat Dec 12 11:45:52 1998
Date: Sat, 12 Dec 1998 11:36:37 -0500
From: David Ness 
Subject: Re: Jforum: J for Windows CE - which computer?
References: <4.1.19981212012306.009f3e30@pop.kolumbus.fi> <36728DF2.391C@interlog.com>

Eric Iverson wrote:
>
> >Anssi Seppala wrote:
> > What is the best buy of a WinCE machine?
> We should make it clear that J is only supported on CE machines with
> keyboards. That is, it works only on the handheld/pc. We have not ported
> to the palmtop/pc (no keyboard). In theory only a little work (possibly
> none) is required to do this, but we won't take that step until we see
> if the handhelp/pc market for J is successful.
>

Interesting. But possibly backwards?

It seems to me that the WinCE machines that have the same general
format as the class of Libretto and Libretto-like machines have
relatively little to offer over the Lib (etc.) now that the Libs
are often cheaper than the WinCEs. The idea of spending what is often
$700+ for a `Stripped Windows' on a WinCE (I `wince' every time I have
to write it, how could they have chosen that name?) when you can get
`Full 85, 98 or even NT' for $700- has never made a great deal of sense
to me, and quite obviously J would run with *no* limitations under any
of the full Windows on the Lib and Lib-like machines.

The place were a new version of `J' *could* add additional value to me
would be in the Palm/PC, Hp200 class of machine, which I still find
no subnotebook, even my Libretto, replaces.

I guess I'm still stuck with J6.2 on my Hp200 as my `portable'.

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From owner-jsoftware@lists.interlog.com  Sat Dec 12 12:37:41 1998
From: =?iso-8859-1?Q?Bj=F6rn_Gosi_Helgason?= 
Subject: RE: Jforum: Searching in Help
Date: Sat, 12 Dec 1998 17:28:58 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE25F5.22370940"

------ =_NextPart_000_01BE25F5.22370940

> If I'm in the User manual (for example) looking at the wd commands; is
> there a way to search for text within the window.

This is a Windows Help limitation and I do not know of any way around it.

What I do is create a new IJS and copy it into it and do the search there.
I sometimes use Notepad for a similar search.

/Gosi

------ =_NextPart_000_01BE25F5.22370940
Content-Type: application/ms-tnef
Content-Transfer-Encoding: base64

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From owner-jsoftware@lists.interlog.com  Sat Dec 12 17:21:11 1998
Delivered-To: fixup-forum@jsoftware.com@fixme
Date: Sat, 12 Dec 1998 14:03:14 -0800
From: greg heil 
Subject: Re: Jforum: Searching in Help
References: <36728F21.70D0@airmail.net>

Peter Nichols wrote:

> If I'm in the User manual (for example) looking at the wd commands; is
 there a way to search for text within the window.  It seems to always go
 to the help search.  If not it might be good to add.  Thanks.

The only solution i know of is to use the help find command;
then when you arrive at the page your matches are all highlighted.

Which brings up another issue: the find tab is by far the most
useful way to use help and it is the only one which does not
have a direct key stroke command to access it. It takes 6 or
7 keys. The other modes are really only useful for those
reading the reference like a book and it sure would improve the
useability, for me, if that were a single keystroke instead
of contents & index

greg heil
mailto:gheil@acm.org
http://www.scn.org/tl/anvil

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sat Dec 12 17:42:43 1998
Date: Sat, 12 Dec 1998 17:29:34 -0500
From: Eric Iverson 
Organization: Iverson Software Inc.
Subject: Re: Jforum: Enabling & Disabling Controls
References: <367299CF.17D6@airmail.net>

>Peter Nichols wrote:
> How do I enable and disable controls?
Help|wd commands|wd commands 11!:0 then scroll down to setenable.

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sat Dec 12 18:12:04 1998
Date: Sat, 12 Dec 1998 17:58:29 -0500
From: Eric Iverson 
Organization: Iverson Software Inc.
Subject: Re: Jforum: J for Windows CE - which computer?
References: <4.1.19981212012306.009f3e30@pop.kolumbus.fi> <36728DF2.391C@interlog.com> <36729B95.F3B0861D@Home.Com>

>David Ness wrote:
>
> Eric Iverson wrote:
> > We should make it clear that J is only supported on CE machines with keyboards.
>
> Interesting. But possibly backwards?
>
> It seems to me that the WinCE machines that have the same general
> format as the class of Libretto and Libretto-like machines have
> relatively little to offer over the Lib (etc.) now that the Libs
> are often cheaper than the WinCEs. The idea of spending what is often
> $700+ for a `Stripped Windows' on a WinCE (I `wince' every time I have
> to write it, how could they have chosen that name?) when you can get
> `Full 85, 98 or even NT' for $700- has never made a great deal of sense
> to me, and quite obviously J would run with *no* limitations under any
> of the full Windows on the Lib and Lib-like machines.
>
> The place were a new version of `J' *could* add additional value to me
> would be in the Palm/PC, Hp200 class of machine, which I still find
> no subnotebook, even my Libretto, replaces.
>
> I guess I'm still stuck with J6.2 on my Hp200 as my `portable'.
I am puzzled by how the market is going to go on this. It could be that
the palmtop format (no keyboard, tiny) is the more interesting platform.
But it is a little more work for us and getting a handheld version was a
necessary first step. There are differences between CE machines and
Librettos that we perhaps are not sensitive to. The lack of a harddrive
is a benefit for some. Battery life is much longer and it is more
reliable. Throw your wince against the wall and you expect it to work.
Better control your temper with a Libretto. They are smaller and lighter
and always will be as long as a hardrive occpupies space. Take a look at
the magazines for these types of machines. It is a different world. The
HP620LX or HP660LX isn't much bigger than your old HP200, and they are
significantly more machine. If you like your HP200 with J 6.2, and have
$700 to spare, you'll love J 4.02 on a 620 or 660.

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sat Dec 12 18:37:15 1998
Date: Sun, 13 Dec 1998 01:27:26 +0200
From: Anssi Seppala 
Subject: Re: Jforum: J for Windows CE - which computer?
In-Reply-To: <36729B95.F3B0861D@Home.Com>
References: <4.1.19981212012306.009f3e30@pop.kolumbus.fi>
 <36728DF2.391C@interlog.com>

As we have J on WinCE, the risk to make application development is minimal.
This is currently a niche market and therefore very interesting. Probably
the final product includes both the PC+application.

I agree that HP200LX is the best handheld as the DOS was the "best"
operating system. However I have no possibility to port my Windows& J
application on HP200LX. On the WinCE it seems possible.

On the other hand WinCE includes some Office applications that you must buy
separately on PC.

Anssi

>The place were a new version of `J' *could* add additional value to me
>would be in the Palm/PC, Hp200 class of machine, which I still find
>no subnotebook, even my Libretto, replaces.
>
>I guess I'm still stuck with J6.2 on my Hp200 as my `portable'.

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sun Dec 13 03:07:21 1998
Date: Sun, 13 Dec 1998 01:55:11 -0600
From: Peter Nichols 
Subject: Jforum: Enabling and disabling child controls

I'm still having trouble disabling and enabling buttons.  Here is how my
button is declared and the code I think should disable it.  When I run
my app it gets a wd domain error at the setenable.  What am I not
understanding?  Thanks.

xywh 125 128 34 12;cc flash2 button;cn "&Check";
wd'setenable flash2 0'

--------------------------------------------------------------------------------
J Forum: for information about this list, see http://www.jsoftware.com/forum.htm

From owner-jsoftware@lists.interlog.com  Sun Dec 13 03:29:16 1998
Date: Sun, 13 Dec 1998 02:20:02 -0600
From: Peter Nichols 
Subject: [Fwd: Jforum: Enabling and disabling child controls]
Content-Type: multipart/mixed; boundary="------------7B8C7EC1EEB"

This is a multi-part message in MIME format.

--------------7B8C7EC1EEB

Sorry everyone.  I was disabling the control before my form was created.
Thanks anyway.

--------------7B8C7EC1EEB
Content-Type: message/rfc822
Content-Disposition: inline

Date: Sun, 13 Dec 1998 01:55:11 -0600
From: Peter Nichols 
Subject: Jforum: Enabling and disabling child controls

I'm still having trouble disabling and enabling buttons.  Here is how my
button is declared and the code I think should disable it.  When I run
my app it gets a wd domain error at the setenable.  What am I not
understanding?  Thanks.

xywh 125 128 34 12;cc flash2 button;cn "&Check";
wd'setenable flash2 0'

--------------------------------------------------------------------------------
J Forum: for information about this list, see http://www.jsoftware.com/forum.htm

--------------7B8C7EC1EEB--

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sun Dec 13 06:04:35 1998
From: =?iso-8859-1?Q?Bj=F6rn_Gosi_Helgason?= 
Subject: RE: Jforum: J for Windows CE - which computer?
Date: Sun, 13 Dec 1998 10:59:14 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2687.B4634E40"

------ =_NextPart_000_01BE2687.B4634E40

From: Eric Iverson[SMTP:eiverson@interlog.com]
> Throw your wince against the wall and you expect it to work.
> Better control your temper with a Libretto. They are smaller and lighter
> and always will be as long as a hardrive occpupies space.
Is the "They" in the last sentence refering to the wince or the Libretto?

If I understand this correctly then the Libretto has a hard drive ( I know
the Velo 500 does not and it is a wince machine) and is therefore not
as robust as the wince. So the "They" is probably refering to wince?

> Take a look at
> the magazines for these types of machines. It is a different world.
> The HP620LX or HP660LX isn't much bigger than your old HP200,
>  and they are significantly more machine.

So the HP200 is a Libretto and has a hard drive and the
HP620LX is a wince?

> If you like your HP200 with J 6.2, and have
> $700 to spare, you'll love J 4.02 on a 620 or 660.

It would be helpful to put up a list at www.jsoftware.com
(maybe there already is one?) which tells us the machines that are
known to be wince machines, run J4.02 and if they are color or not and
possiblysome other info like best price known for that machine.
I have seen the prices mentioned are much lower than the prices I
see here soit could possibly make a sence to order them from abroad
and possibly with J pre-installed. A pity you can not get the machines
over the net. It might make a sence to collect orders for a month, buy
many at the same time, pre-install J and distribute to customers?

The Velo 500 costs 68.000 Ikr here but
the price I have seen quoted is 41.930 Ikr (In dollares 972 compared
with 599. A difference of 373). About 62 % more !!!!!
The price 68.000 Ikr is for a 16MB Velo 500 machine.
Additional 16 MB would add 15.000 Ikr to the cost.

I guess it is not a good idea to keep many of these machines in stock.
The Velo 100 was priced at 79.000 Ikr last year. Probably interesting to
have the prices connected directly to plot on a timescale.

Something like:

"Following is a list of wince machines known to run J4.02:

( 1$ is about 70 Ikr)

Machine	color	price		price	price with J
			in Iceland	outside	preinstalled
Velo 100		48.000 Ikr		?
Velo 500		68.000 Ikr	599 $	?
HP620LX	   ?
HP660LX        ?			700 $	?"

/Gosi

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From owner-jsoftware@lists.interlog.com  Sun Dec 13 10:12:39 1998
Date: Sun, 13 Dec 1998 17:05:39 +0200
From: Anssi Seppala 
Subject: RE: Jforum: J for Windows CE - which computer?
In-Reply-To: <01BE2687.B45BAD20@geisli-260.centrum.is>

Gosi,
One problem we share here is that WinCE machines are build with a certain
keyboard. If you need a scandinavian keyboard you need a totally different
machine. This explains probably most of the price difference. If you accept
US keyboards and can write the scandics from the menus you probably can buy
by mail order.

But don't forget VAT that is usually also added to the US price when you
import goods so that the customs know what you are doing.

Anssi

At 10:59 13.12.1998 +0000, you wrote:
>The Velo 500 costs 68.000 Ikr here but
>the price I have seen quoted is 41.930 Ikr (In dollares 972 compared
>with 599. A difference of 373). About 62 % more !!!!!
>The price 68.000 Ikr is for a 16MB Velo 500 machine.
>Additional 16 MB would add 15.000 Ikr to the cost.
>

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sun Dec 13 11:06:22 1998
From: "Chris Burke" 
Subject: Re: Jforum: J for Windows CE - which computer?
Date: Sun, 13 Dec 1998 10:56:27 -0500
	charset="iso-8859-1"

>It would be helpful to put up a list at www.jsoftware.com
>(maybe there already is one?) which tells us the machines that are
>known to be wince machines, run J4.02 and if they are color or not and
>possiblysome other info like best price known for that machine.

Bjorn,

There are several sites on the net that give info on WinCE machines, for
example: http://www.cewindows.net/

As far as we are concerned, J requires a handheld with an SH3 or MIPS
processor and enough memory.

Chris

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sun Dec 13 11:20:11 1998
Date: Sun, 13 Dec 1998 11:07:11 -0500
From: David Ness 
Subject: Re: Jforum: J for Windows CE - which computer?
References: <008501be26b1$2964eea0$b30114d1@xps200>

Chris Burke wrote:
>
> >It would be helpful to put up a list at www.jsoftware.com
> >(maybe there already is one?) which tells us the machines that are
> >known to be wince machines, run J4.02 and if they are color or not and
> >possiblysome other info like best price known for that machine.
>
> Bjorn,
>
> There are several sites on the net that give info on WinCE machines, for
> example: http://www.cewindows.net/
>
> As far as we are concerned, J requires a handheld with an SH3 or MIPS
> processor and enough memory.
>
> Chris
>

Well, maybe. But the only list I could find at the site you mentioned
compared all the machines, gave bus speeds and processor speeds etc.
and never mentioned the kind of processor. Indeed most discussions
of WinCE machines never mention the kind of processor.

If you want to sell this product, I'd advise that you make up three
lists:
  (1) Machines J *will* run on;
  (2) Machines we don't know about;
  (3) Machines J *will not* run on.

At the moment, for me at least, *All* machines are in group (2).

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sun Dec 13 11:48:04 1998
Date: Sun, 13 Dec 1998 11:32:19 -0500
From: Eric Iverson 
Organization: Iverson Software Inc.
Subject: Re: Jforum: J for Windows CE - which computer?
References: <008501be26b1$2964eea0$b30114d1@xps200> <3673E62F.25152BD3@Home.Com>

> David Ness
> If you want to sell this product, I'd advise that you make up three
> lists:
>   (1) Machines J *will* run on;
>   (2) Machines we don't know about;
>   (3) Machines J *will not* run on.
>
> At the moment, for me at least, *All* machines are in group (2).

This is getting blown out of proportion. All wince machines, except for
the brand new HP820LX (Jornada), are SH3 or MIP machines. We can not
support the Jornada Intel strongarm chip until MS provides the
development cross compiler (currently in beta test. You should not buy a
wince without having a chance to hold it in your hands and play with
it.  They are much more 'personal' than a laptop or desktop. Use System
in Control Panel make sure the one you like has an SH3 or MIPS
processor.

There are dozens of manufacturers and models and the field is changing
rapidly. We can't possibly do a useful survey for the world.

Perhaps those who get systems could post their experience here as a
quide to others. Right now we have exeperience with the HP620LX 16MB,
the NEC 750 Mobilon-Pro, and an older smaller, 4MB NEC Mobilon model.

*** in summary
J runs on any Wince CE 2.0 (and later) handheld/pc that has an SH3 or
MIPS processor and has 8MB (or more) of memory. This is all you need to
know to do your own shopping.

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sun Dec 13 12:41:09 1998
Date: Sun, 13 Dec 1998 12:30:42 -0500
From: David Ness 
Subject: Re: Jforum: J for Windows CE - which computer?
References: <008501be26b1$2964eea0$b30114d1@xps200> <3673E62F.25152BD3@Home.Com> <3673EC13.5E2B@interlog.com>

Eric Iverson wrote:
>
> > David Ness
> > If you want to sell this product, I'd advise that you make up three
> > lists:
> >   (1) Machines J *will* run on;
> >   (2) Machines we don't know about;
> >   (3) Machines J *will not* run on.
> >
> > At the moment, for me at least, *All* machines are in group (2).
>
> This is getting blown out of proportion. All wince machines, except for
> the brand new HP820LX (Jornada), are SH3 or MIP machines. We can not
> support the Jornada Intel strongarm chip until MS provides the
> development cross compiler (currently in beta test. You should not buy a
> wince without having a chance to hold it in your hands and play with
> it.  They are much more 'personal' than a laptop or desktop. Use System
> in Control Panel make sure the one you like has an SH3 or MIPS
> processor.
>

Well, I'm afraid I may have been involved with computers for too long,
but it seems to me that WinCE (particularly 2.+) is new enough that
compatability problems would not surprise me (strike that, what I
probably should say is that lack of compatability problems *would*
surprise me). Thus, it will take a while before I believe that there's
*no* difference between `should run' and `do run'.

Anyway, you've begun the list:
   J is known to run on: HP620Lx(16mb) ($697 at CDW)
                         NEC 750 Mobilion Pro ($846.76 at CDW)
                         NEC Mobilion (4mb) (not specific enough
to                                              price)

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From owner-jsoftware@lists.interlog.com  Sun Dec 13 12:56:48 1998
From: =?iso-8859-1?Q?Bj=F6rn_Gosi_Helgason?= 
Subject: RE: Jforum: J for Windows CE - which computer?
Date: Sun, 13 Dec 1998 17:49:30 -0000
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From: Anssi Seppala[SMTP:anssi.seppala@enease.fi]
> One problem we share here is that WinCE machines are build with a
> certain keyboard. If you need a scandinavian keyboard you need a
> totally different machine.

You are right that we do have a different keyboard but that is mostly
taken care of buy the software anyway so a machine with any keyboard
can be used so the keyboard is now more or less just what decorations
there are on the keys.

On the wince (Velo 500) we do NOT even have the Icelandic characters
(at least not yet) marked on the keyboard. I have NOT checked if I can
write Icelandic characters on it. I have been more interested in getting
J running on such a machine to worry about such trivialities. Anyway there
are lots of others to worry about that so I will not bother.

> This explains probably most of the price difference. If you accept
> US keyboards and can write the scandics from the menus you probably
> can buy by mail order.

So that does NOT explain the price difference.

> But don't forget VAT that is usually also added to the US price when you
> import goods so that the customs know what you are doing.

So when I go abroad I can buy it taxfree for even less and put it in my pocket
and the price difference will pay for the trip.

What we are mostly seeing is that like always that the Vendors are just trying
to squeeze as much out of the machines while they are new as they can.

The price-reductions I read about in PC magazines usually take a very slow
rowboat via China before they arrive here in Iceland. It is getting better now
because there is some competition now. IBM used to have 99 % market
share and then the reductions really had a glacial speed.

I read once (something like 10 - 15 years ago) in an internal IBM report that
the components needed for a complete machine like a wince machine. Just
the hardware parts without any development and software costs would need
to be sold for around 100 dollares to make a profit. I guess the situation has
not changed very much on that front.

In these machines you do not need any of the additional baggage of a
screen or a moving component like a rotating disk. I have used a machine
which is very similar to these wince machines (casio with schedule, telephone
directory, keyboard, calculator, memo and a whopping 32 K of memory) for
something like ten years and I have only once had to change the batteries.
I goes with me everywhere and it has taken a lot of beating but is always
fully operational and ready. Just like a perfect girlfriend. But it can not
connect to a PC and it can not run J. But then again neither can my girlfriend.

I would guess that the wince will drop very quickly to around 100 $ and
probaly stay around that price just like the PC used to stay around
1000 $ for many years. That is;you were always getting more and more
power into the PC; but the price was always the same.

A wince machine will probably be competing  with with ordinary PCs in memory size,computing speed and storage space in very few years.
More likely  the ordinary PC struggling to compete in an uneven battle.
Not more than 5 to 10 years at the most. Come to think of it the laptops
and handhelds are stealing much of the PC sales already and causing
the PC prices to go way below the 1000 $ they seemed to be stuck in.
Not yet in Iceland though. I guess the boat is in China now or about
to turn around good hope point. At least I hope so. Not my girlfriend;
because then I will get a new one. PC that is. Or maybe I will just -
buy/wait for - wince - until/when - the price is right.

/Gosi

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From owner-jsoftware@lists.interlog.com  Sun Dec 13 13:14:53 1998
From: "Gilles Kirouac" 
Date: Sun, 13 Dec 98 13:11:04 -0500
Subject: Re: Jforum: J for Windows CE - which computer?

 To learn about WinCE machines, start with :
 http://www.the-gadgeteer.com
 http://www.the-gadgeteer.com/hpc.html

 you will get the state of the art and soon qualify for
 a PhD in the matter!

 I don't have yet such a hpc (handheld pc), but what I
 retained from my readings was that the quality of the
 display, its readability (and its size), was unequal
 from one manuf to another. HP seems to have a plus
 on that matter.

 Eric, can we share your opinion on screen readability
 of the units you know?

On Sun, 13 Dec 1998 11:32:19 -0500, Eric Iverson wrote:

>*** in summary
>J runs on any Wince CE 2.0 (and later) handheld/pc that has
an SH3 or
>MIPS processor and has 8MB (or more) of memory. This is all
you need to
>know to do your own shopping.

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From owner-jsoftware@lists.interlog.com  Mon Dec 14 04:18:59 1998
From: Ajith Prasad 
Subject: RE: Jforum: http://www.land-j.com/jfile.html
Date: Mon, 14 Dec 1998 16:52:23 +0800
Importance: high
X-Priority: 1
	charset="ISO-8859-1"

Is Jer the generally accepted term for a J enthusiast? While this is
preferable to being called a J'erk, are there any other suggestions?

-----Original Message-----
From: Brian M. Schott [mailto:dscbms@panther.Gsu.EDU]
Sent: Monday, December 07, 1998 7:32 AM
Subject: Jforum: http://www.land-j.com/jfile.html

Land-J offers a product for the Palm Pilot. I thought Jer's
would want to know of another product with such a close
name.

Land-J Technologies JFile Application

       http://www.land-j.com/jfile.html

(B=)

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From owner-jsoftware@lists.interlog.com  Mon Dec 14 06:02:07 1998
From: =?iso-8859-1?Q?Bj=F6rn_Gosi_Helgason?= 
Subject: Jforum: Just Gentleman - Gent
Date: Mon, 14 Dec 1998 09:42:35 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2746.47EC1200"

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From: Ajith Prasad[SMTP:burap@nus.edu.sg]
> Is Jer the generally accepted term for a J enthusiast?

Jent	- Jentelman	- Jentleman	- Juser	- Just

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From owner-jsoftware@lists.interlog.com  Mon Dec 14 09:34:33 1998
From: "John D. Baker" 
Subject: Re: Jforum: Juggler's
Date: Mon, 14 Dec 1998 09:10:26 -0500
Content-Transfer-Encoding: 8bit

The "technically correct" term for the J enthusiast
is:  JUGGLER as rogramming in J requires keeping
many concepts up in the air and not dropping
any balls.

----------
> From: Bj�rn Gosi Helgason 
> To: 'forum@JSoftware.Com'
> Subject: Jforum: Just Gentleman - Gent
> Date: Monday, December 14, 1998 4:42 AM
>
> From: 	Ajith Prasad[SMTP:burap@nus.edu.sg]
> > Is Jer the generally accepted term for a J enthusiast?
>
> Jent	- Jentelman	- Jentleman	- Juser	- Just
>

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From owner-jsoftware@lists.interlog.com  Mon Dec 14 10:59:59 1998
From: jquint@cdcna.cdcc.com
Subject: RE: Jforum: J for Windows CE
Date: Mon, 14 Dec 1998 10:35:59 -0500
Content-Transfer-Encoding: 8bit
X-MIME-Autoconverted: from quoted-printable to 8bit by lists.interlog.com id KAA06206

You wrote:

>----------
>From: 	Anssi Seppala[SMTP:anssi.seppala@enease.fi]
>Sent: 	Saturday, December 12, 1998 2:33 AM
>To: 	forum@JSoftware.Com
>Subject: 	RE: Jforum: J for Windows CE
>
>I am a HP200LX user too. Have you any idea of the correspondence of HP200lx
>build in applications with WinCE applications?

I have some idea although I have not got my Velo 500 yet.  I am very
comfortable with to some of the HP200LX applications.  I may try to get
an 80186 emulator for WinCE (e.g.
http://www.pyram-id.demon.co.uk/XTCE.html) and the PC version of the
built in applications from HP.

The are similar WinCE applications, this is from the Velo site
(http://velo.philips.com/help/index.html):

What are the most important applications?

In addition to Windows CE 2.0 and the familiar Windows user interface,
the Velo 500
features pocket versions of the Microsoft Office applications -- Word?,
Excel?,
Outlook? (for e-mail, contacts, and schedule), PowerPoint�, and Internet
Explorer?.
In addition, you will find a complete fax send and receive program and
many useful
utilities such as file find, extended character set, conversion tables,
and support for
cc:Mail and MS Mail. On the CD-ROM that is included with the Velo 500
you will also
find Windows CE Services with ActiveSync?. This provides you with
automatic and
seamless connectivity with your desktop PC. As a bonus, you also get a
pocket
version of Microsoft Expedia Streets.

It will be nice to use Excel instead of Lotus 123 specially if, as I
expect, is reachable from J... although my main reason to get a WinCE
machine is to have a very powerful J in my pocket!

>
>At 13:38 11.12.1998 -0500, you wrote:
>>It is nice to see how one thing leads to another.  I will be a real
>>treat to move from J6.2 on a HP200LX to J402 on a 24M Velo 500 (I just
>>asked Anne Faust to send me an invoice this morning!).
>>
>
>-------------------------------------------------------------------
>Anssi Sepp�l�
>Konsultti, s�hk�markkinat ja s�hk�njakelu: Sovellukset ja ohjelmistot
>
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From owner-jsoftware@lists.interlog.com  Mon Dec 14 15:29:09 1998
Date: Mon, 14 Dec 1998 21:56:50 +0200 (EET)
From: Oleg Kobchenko 
Subject: Re: Jforum: PDF Files
In-Reply-To: <005101be25d0$5ce09540$1c0114d1@xps200>

For box drawing 2 quick remedies come to mind:

(1) I tried my html:boxes->tables and PDF-Wrote from IE40. The
boxes looked tolerable. Their appearance can be adjusted by
PDF-Writer's resolution: 300, 150, Screen.

(2) It's just a supposition. Install Adobe Type Manager, so that
Word can use Type 1 fonts. Then change the font for the
Example/Result style from ISIJ Roman to some suitable Type 1
font -- this is done once for a document. Then print into
PDF-Writer.

Well, in general it would be good to have some intermediate
markup language for documenting, illustrations. In J there is
already de facto a wide variety of target media:

 - printable docs (Word, RTF)
 - online help (RTF, HTML-to be)
 - electronic docs (PDF)
 - HTML (Web)
 - labs
 - scriptdoc

In other languages such markup languages are:

 - XML: new panacea for both printable and Web docs, as well as
   datasource carrier. Noticable feature is XSL - ajustable
   style sheets, that can make e.g. both HTML and RTF targets
   from a single source
 - TeX for Math
 - Pod for Perl - a good example compact area and purpose
   oriented approach, also there are converters to Tex, HTML,
   man, etc.
 - javadoc - self-documenting sources with cross-linking
   capabilities, and a utility to generate HTML.

On Sat, 12 Dec 1998, Chris Burke wrote:

> >I downloaded (fortunately only) one .PDF file: J Dictionary.
> >It's a very good new feature of the J system.
> >
> >There were 2 disappointmets:
> >
> >(1) the pages broke at the bottom, resulting in 1-2 line
> >wrapping over to the next page otherwise leaving it blank.
> >
> >(2) the use of '+-|' instead of true box drawing characters.
> >I don't believe that among the whole variety of Type 1
> >Adobe fonts, there isn't one with Box-Drawing. Well, I know
> >that these PDFs were generated with Adobe Exchage PDF Writer
> >from Word. But maybe it's not a good way to obtain PDF or .ps
> >documentation for J?
>
>
> Right, these were generated directly from the Word source.
>
> The Word files print correctly on a LaserJet, but the PDF writer formats the
> pages differently, with some extra page breaks. It would be a tedious
> exercise to manually reformat the pages to print correctly to PDF.
>
> I experimented a little, but could find no way of preserving the box-drawing
> characters using the PDF writer.

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Mon Dec 14 22:34:54 1998
From: "David Vincent-Jones" 
Subject: Jforum: PDF Files
Date: Mon, 14 Dec 1998 17:54:17 -0800

When printing from a PDF file, the printer window normally displays an
option to scale to the page. This saves the 2 or 3 line runover problem.
For my part I wish the PDF files were formatted to the same size as the
Dictionary so that we could paste in updates and changes.

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Tue Dec 15 05:56:25 1998
From: "Hans Fahlin" 
Subject: Jforum: The power of J in my pocket
Date: Tue, 15 Dec 1998 11:34:29 +0100
X-Msmail-Priority: Normal
X-Mimeole: Produced By Microsoft MimeOLE V4.72.3110.3
In-Reply-To: <36728DF2.391C@interlog.com>
Importance: Normal
	charset="iso-8859-1"

Eric Iverson wrote:
> We should make it clear that J is only supported on CE machines with
> keyboards. That is, it works only on the handheld/pc. We have not ported
> to the palmtop/pc (no keyboard). In theory only a little work (possibly
> none) is required to do this, but we won't take that step until we see
> if the handhelp/pc market for J is successful.
>

When realizing that J would still not be available for the P/PC I felt like
a kid getting a new sweater instead of the much wished for electric train
for Christmas. Well, I guess kids today want Nintendo 64's and Lego Robots,
not electric trains. MY wish is for the power of J in my pocket.

Begin praise of the palmtop:

Of course, it is a matter of personal preference, but having been the user
of a couple of H/PC sized devices, I switched to the US Robotics (now 3COM)
Pilot as soon as it arrived. The H/PC are just too big to carry with you
everywhere, and if you ask me, a large part of the Pilot's success should
probably be attributed to its form factor. And now we have the WinCE P/PCs,
and I will gladly relegate my Pilot to the collection of ex-devices the day
J will run on one.

There are other arguments too. Price is one. The Casio Cassiopeia E-10 P/PC
street price averages about USD 320 street today, the H/PC HP 360LX USD 540,
and it is not difficult to find more expensive H/PCs. I also agree with
David Ness when he finds

>that the WinCE machines that have the same general
>format as the class of Libretto and Libretto-like machines have
>relatively little to offer over the Lib (etc.) now that the Libs
>are often cheaper than the WinCEs.

End of praise.

Dare I ask? If only a little work (or possibly none) must be done to make J
run on P/PCs, why not do it? Why restrict the availability of J? There are
precious few development environments that run on P/PCs, if any, so J may
even attract new devotees.

What happens if you try to run the current WinCE J on e.g. the Casio
Cassiopeia E-1x? It is a NEC VR4111 machine, i.e. a MIPS, so that is not a
problem. I guess there may be some user interface issues, and I have no idea
how big they are. It would be interesting to know if it is possible.

I am not the one to understand the complexities of releasing new version of
J. I just wish, that this year, Santa will bring us all the power of J to
our pockets!

/Hans

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From owner-jsoftware@lists.interlog.com  Tue Dec 15 07:45:35 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: The power of J in my pocket
Date: Tue, 15 Dec 1998 12:24:34 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2826.126611E0"

------ =_NextPart_000_01BE2826.126611E0

From: Hans Fahlin[SMTP:hans.fahlin@alfredberg.se]
> Eric Iverson wrote:
> > We should make it clear that J is only supported on CE machines with
> > keyboards. That is, it works only on the handheld/pc. We have not
> > ported
> > to the palmtop/pc (no keyboard). In theory only a little work (possibly
> > none) is required to do this, but we won't take that step until we see
> > if the handhelp/pc market for J is successful.
>  MY wish is for the power of J in my pocket.

I am currently working on getting a Velo 500 to test out J install and
try J on it.

While looking for the Velo I noticed a machine called the
Nino 300. It is even smaller than the Velo 500 and it is without a
keyboard. Reading about it then I notice that it is running
MS Windows CE 2.0. Instead of keyboard you write letters with a pen.
Would J run on this machine and if so is that what you are wishing for?
I think it is worth a try. It is a lot cheaper and smaller machine. It can
do e-mail and search the web. It has notepad so I guess you could
create and change J scripts with Notepad if not straight into J and
then run it with J. I will try that too if I can. Nino 300 is from Philips
as is the Velo 500.
/Gosi

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From owner-jsoftware@lists.interlog.com  Tue Dec 15 08:09:32 1998
From: "Hans Fahlin" 
Subject: RE: Jforum: The power of J in my pocket
Date: Tue, 15 Dec 1998 13:55:23 +0100
X-Msmail-Priority: Normal
X-Mimeole: Produced By Microsoft MimeOLE V4.72.3110.3
Importance: Normal
	charset="iso-8859-1"

Bjorn G. Helgason wrote:

> While looking for the Velo I noticed a machine called the
> Nino 300. It is even smaller than the Velo 500 and it is without a
> keyboard. Reading about it then I notice that it is running
> MS Windows CE 2.0. Instead of keyboard you write letters with a pen.
> Would J run on this machine and if so is that what you are wishing for?

Yes! The Nino 300 is a typical P/PC and comparable to the Cassiopeia E-10 I
wrote about.
I did not mention it because it has a Philips R3910 CPU and I do not know if
that is a MIPS or SH3 lookalike or something entirely different.

An informative comparison chart between different H/PCs and P/PCs can be
found at

http://www.computers.com/reviews/comparative/guide/0,28,0-20-257773-352156,0
0.html

/Hans

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From owner-jsoftware@lists.interlog.com  Tue Dec 15 08:44:03 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: The power of J in my pocket
Date: Tue, 15 Dec 1998 13:23:48 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE282E.7879AFC0"

------ =_NextPart_000_01BE282E.7879AFC0

From: Hans Fahlin[SMTP:hans.fahlin@alfredberg.se]
> Yes! The Nino 300 is a typical P/PC and comparable to the Cassiopeia
> E-10 I wrote about. I did not mention it because it has a Philips R3910
> CPU and I do not know if that is a MIPS or SH3 lookalike or something
> entirely different.

>From the text on Nino 300:

"The Nino has High-performance 32-bit MIPS-based Philips R3910 RISC
processor at 75MHz. Designed for fasrt access and high throughput of
Windows CE applications.

The Nino 300 is equipped with a T9 smart keyboard developed by
Tegic Communications and supports a handwriting recognition program.

Use your voice to conveniently access applications and information
with the voice command recognition program developed by ART."

So if it works as I expect then you can talk to your J application.

/Gosi

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From owner-jsoftware@lists.interlog.com  Tue Dec 15 10:30:39 1998
From: "John D. Baker" 
Subject: Jforum: Frequently Used File list in J4.02
Date: Tue, 15 Dec 1998 10:06:41 -0500

Greetings Juggler's:

Recently a "last files used" list was added to the
files menu of J 4.02 this is very handy but it would
be even more handy if it retained the last five or
so *.ijs files used between J sessions.  Currently, if you
exit J and restart, your last used files list is
reset.  Applications like Excel retain this list
across sessions because it's precisely at session
start up when this list is most useful.

John D. Baker
bakerjd@kos.net

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From owner-jsoftware@lists.interlog.com  Tue Dec 15 12:31:41 1998
Organization: Voxel
From: "Andrew Nikitin" 
Date: Tue, 15 Dec 1998 18:50:50 +0200 (EET)
Subject: Jforum: icons in isipicture

When i try to display icons (.ico) in isipicture (or in ownredraw button) i
always get ugly black color in place of transparent. Can i change such
behaviour without converting .ico files into .bmp with appropriate (gray f.e.)
color substitution for transparent? Something like setbkcolor for isipicture?

nsg

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From owner-jsoftware@lists.interlog.com  Tue Dec 15 13:09:38 1998
Date: Tue, 15 Dec 1998 09:45:25 -0500
From: David Ness 
Subject: Jforum: Small Machines that Support 'J'

I decided to try to build a list of small machines that
are known to support `J'.

My try is at http://members.home.net/dness/

I would appreciate any corrections, additions of the '???' items and
any comment on (un)-fairness of any of the presented data.

I am also struggling with what kind of a `benchmark' that it might
be useful to present (if any) in such a concice form.

Ideas/Suggestions/Corrections/Comments would be appreciated.

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From owner-jsoftware@lists.interlog.com  Tue Dec 15 19:10:52 1998
Date: Tue, 15 Dec 1998 18:33:29 -0500
From: Eric Iverson 
Organization: Iverson Software Inc.
Subject: Jforum: wince platforms: P/PC, H/PC, H/PC Pro
References: <004001be2816$7eec9ce0$628b67c2@absanc9098.sto.alfredberg.se>

>Hans Fahlin
> Dare I ask? If only a little work (or possibly none) must be done to make J
> run on P/PCs, why not do it? Why restrict the availability of J?

We are not restricting it. MS is. The wince developers SDK lags behind
the wince product releases.

Wince is marketed primrarily (at least initially, for each version) on
the basis of of the built in applications (pocket IE, Word, Excel,
Solitaire). The devloper kits have always lagged behind.

Wince was originally released as an H/PC (handheld/pc) with version 1.0.
We looked at it and decided it was a joke.

Version 2.0 looked more interesting. About a year ago MS released the
developers SDK for wince H/PC 2.0 (many months after you could buy them
in the corner store). We got it and did the port. Getting i.5 to work
was relatively easy. Turning it into a product was not easy. No big
problems, just many many many small problems with cross compiler and
runtime library bugs. We are happy with the end result, but it was a lot
of work.

You can now buy wince P/PC (palmsize/PC) and H/PC Pro systems. The P/PC
has a form factor similar to the PalmPilot. The H/PC Pro (e.g. HP820LX
Jornada) has a form factor more like a PC (fast processor, more memory,
larger screen, mouse, almost full size keyboard, but still no
harddrive).

So, there are 3 wince platforms: P/PC, H/PC, and H/PC Pro. They are
similar, but enough different, that applications have to be targeted.

MS has released the SDK for the P/PC and H/PC Pro as a beta. We will not
get involved with the first release of an SDK at the beta level. It is
bad enough with a product. I'd guess MS is a few months away from the
product release, and our work can't start before that.

To summarize:

J is available for H/PC wince (and we think it is a great).

J is not yet available for P/PC or H/PC Pro because we don't have a
development SDK from MS. My best guess is that J will be available for
these around the middle of next year.

I should have laid this out up front, but never expected such confusion.
My naive thinking was: Fantastic, portable, powerful, J machine, I want
one. I always forget that in the real world the market's reactions is
always: Thats nice, but I want it in blue with red polka dots.

If one requires J in a portable form factor, it is here now. The
difference between the smaller H/PC systems and P/PC is splitting hairs,
when compared to a laptop or sub-notebook. The P/PC is very nice for
what it does, but I think serious J use easily justifies the larger form
factor. With the H/PC you get a faster processor, a larger screen, more
memory, flashcards, and a keyboard. If you want a scheduler, organizer,
note taker, get a PalmPilot. If you want a portable machine on which to
do J programming, get an H/PC.

My bet is that a year from now, when J is available on all 3 form
factors, that the  majority of new wince J licenses will be for the
H/PC. It has certain advantages over the sub-notebooks, yet is still a
serious programming system. Presumably the P/PC will significantly
outsell the H/PC, but they won't be used for J programming. The H/PC Pro
future is very hazy. Probably just MS trying to fill every possible
niche.

--------------------------------------------------------------------------------
J Forum: for information about this list, see http://www.jsoftware.com/forum.htm

From owner-jsoftware@lists.interlog.com  Tue Dec 15 19:43:02 1998
Date: Tue, 15 Dec 1998 19:16:00 -0500
From: "Nathan M. Gant" 
Organization: Poliespo Research Institute
Subject: Jforum: J and handheld computers/calculators

The idea of creating a repository of public J source code for various
applications, which Chris Burke has mentioned recently, is a very good
opportunity to give J the widespread exposure which it deserves.

For example, I have done a bit of land surveying, enough to know that it
is essentially a business application of coordinate geometry, mostly a
bunch a trig equations really, with some basic drafting/architectural
functions thrown in. I would enjoy the opportunity to be able to post
some surveying equations in J which anyone could download from a web
site.

Concerning the recent threads on portable, handheld computing devices, I
will continue to use the HP48 GX calulator in surveying work.  These
calculators were introduced in the early 1990's.  I believe they will
likely remain a staple device in commercial field surveying and data
collection in the near future, at least here in the states.  As of late
1998, they are still being manufactured and supported by
Hewlett-Packard. I can't imagine the newer Windows CE palmtops ever
competing with them in price or versatility.  They are quite
cheap(approx. $US 135.00 brand new). Plenty of good programs can be
downloaded from various web sites supporting the HP48(the shareware
'hpchess.gx' program is quite good, except that the tiny graphic objects
require a good eye or you will confuse the bishop with the pawn
sometimes).  You can even make your own serial cable for PC
transfers using the guts of an old (serial) mouse.  Other similar
palmtop computers/calculators, such as the Casio models, the TI TI-92's,
the 3Com Palm III, the Velo, and even HP's latest Palmtop PC or Journada
820 Handheld do not appear to me to have the same functionality as the
cheaper HP48GX, in my opinion. Not being a professional programmer, I
don't see the point of spending close to $1000 dollars on something
which will be used as a glorified calculator, unless you want to have
heavy data communications and connectivity applications thrown into the
thing.  True, I don't have a QWERTY layout on my HP calculator, but I
have little problem working with databases using the HP's vertical
arrangement of alphabetical keys.

OTOH I think a plug-in card with some basic J burned in ROM and used in
a calculator would be very useful. A "J"-based handheld calculator with
the HP design would be a great idea.  I am reminded of a decent APL
interpreter out there, it was written in the Forth programming language,
a distance cousin to HP's RPN(Reverse Polish Notation).  Until I
discovered J, I liked I-APL a lot because it had straight-forward (DOS)
I/O operations, something that I didn't find so easy to do in Iverson's
APLIPC interpreter.  Maybe in the future we could see J ported into a
calculator-type of platform, possibly integrating it into a HP48 or
similar design?

But it seems a waste that land surveyors in the field are willing to buy
various HP48 plug-in cards with the surveying software burned into ROM.
This typically represents an initial outlay of $US 100-200 dollars or
more for the end-user.  If only more surveyors would be willing to work
directly with J instead of this kind of software.  One could just as
easily manipulate the raw data once it is dumped into the PC (which is
what these calculators and related surveying software are being used for
anyway).  One typically gathers this data in order to draw maps,
boundary and property lines, using CAD programs on a desktop PC in the
office.

--------------------------------------------------------------------------------
J Forum: for information about this list, see http://www.jsoftware.com/forum.htm

From owner-jsoftware@lists.interlog.com  Wed Dec 16 03:35:44 1998
From: M.Day@fscii.maff.gov.uk
               Wed, 16 Dec 1998 07:52:36 +0000
               Wed, 16 Dec 1998 08:12:35 +0000
               Wed, 16 Dec 1998 08:12:50 +0000
Date: Wed, 16 Dec 1998 08:12:50 +0000
Content-Identifier: m1211216081220aa
Alternate-Recipient: Allowed
In-Reply-To: <199812151509.KAA15741@plus.interlog.com>
Subject: Re: Jforum: Frequently Used File list in J4.02

John D Baker wrote
>..."last files used" ... added to ... J 4.02 ...
>be even more handy if it retained the last five or
>so *.ijs files used between J sessions.

I agree.  I also miss the ability (present in j3) to
re-run old commands from the "toolbar",  which isn't
available in the default configuration set-up for j4.

Mike Day
m.day@fscii.maff.gov.uk

--------------------------------------------------------------------------------
J Forum: for information about this list, see http://www.jsoftware.com/forum.htm

From owner-jsoftware@lists.interlog.com  Wed Dec 16 06:45:17 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: wince platforms: P/PC, H/PC, H/PC Pro
Date: Wed, 16 Dec 1998 11:12:10 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE28E7.44AB8380"

------ =_NextPart_000_01BE28E7.44AB8380

It is ok to add the Velo 500 to the list of machines that
J has been tested on.

This was my first experience with installing J on a wince
machine and I was impressed with how easy it is.

It took a few mintues to move the files over but when that
was done it was just to start working with J.

All the Labs, Demos and Helps worked straight away and
it is very very impressive to see the Plots lab on this little machine.
This machine was only 16 MB so it did run out of memory on the
most advanced Plots but it did not brake down only reported it
was out of memory.

I was testing this in the shop which is selling these machines
so I did not very much chance to do much and I did not have
the opportunity to try the Nino 300 as well. I was promised that
after x-mas we could try that as well.

I have to say that even if I am very impressed with this machine
and that it is unbelievably impressive to be able to run J on such
a small machine. I am sure that it will probably be a better idea
to add a few dollars and get a color machine. I know from my
laptop that not having color is a clear disadvantage. Another thing
is that it is important to get as much memory in the machine as
possible.

Overall I am very pleased with having had the opportunity to test
this and things can only get better as prices come down on all
components related to this. I want to gratulate us all on having
this marvelous product on this platform.

/Gosi

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------ =_NextPart_000_01BE28E7.44AB8380--

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From owner-jsoftware@lists.interlog.com  Wed Dec 16 07:34:00 1998
Date: Wed, 16 Dec 1998 14:00:17 +0200 (EET)
From: Oleg Kobchenko 
Subject: Re: Jforum: Frequently Used File list in J4.02
In-Reply-To: 

On Wed, 16 Dec 1998 M.Day@fscii.maff.gov.uk wrote:

> John D Baker wrote
> >..."last files used" ... added to ... J 4.02 ...
> >be even more handy if it retained the last five or
> >so *.ijs files used between J sessions.
>
> I agree.  I also miss the ability (present in j3) to
> re-run old commands from the "toolbar",  which isn't
> available in the default configuration set-up for j4.

It's just + !

But it holds only about 20 lines. It would be worth while
holding more, possibly unlimited, for the current session, maybe
between sessions. In my Linux history there are thousands of
lines in the history, and it's very useful to do

  history|grep what i want|tail

Maybe this window that pops up for ^D should have context
search, or even regex search, hopping over to next and
prev matches.

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Wed Dec 16 08:24:02 1998
Date: Wed, 16 Dec 1998 15:06:47 +0200 (EET)
From: Oleg Kobchenko 
Subject: Re: Jforum: Juggler's
In-Reply-To: <199812141412.JAA03849@plus.interlog.com>
Content-Transfer-Encoding: 8BIT

Mommy, I wanted to tell you something ...
... you know ... I'm Jay.

On Mon, 14 Dec 1998, John D. Baker wrote:

> The "technically correct" term for the J enthusiast
> is:  JUGGLER as rogramming in J requires keeping
> many concepts up in the air and not dropping
> any balls.
>
> ----------
> > From: Bj�rn Gosi Helgason 
> > To: 'forum@JSoftware.Com'
> > Subject: Jforum: Just Gentleman - Gent
> > Date: Monday, December 14, 1998 4:42 AM
> >
> > From: 	Ajith Prasad[SMTP:burap@nus.edu.sg]
> > > Is Jer the generally accepted term for a J enthusiast?
> >
> > Jent	- Jentelman	- Jentleman	- Juser	- Just
> >
>
> --------------------------------------------------------------------------------
> J Forum: for information about this list, see http://www.jsoftware.com/forum.htm
>

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Wed Dec 16 09:22:09 1998
Date: Wed, 16 Dec 1998 08:52:53 -0500
From: Cliff Reiter 
Subject: Jforum: ijs to html
Organization: Lafayette College
Content-type: text/plain; charset=us-ascii
References: <005201be25d0$5d9936e0$1c0114d1@xps200.lafayette.edu>

Thanks for the recent pointers to html.ijs and scriptdoc

I have made an attempt to convert *.ijs files to html in a way that:

  Makes them easy for me to post on the web
  Makes them easy to read on the web
  Makes them easy for readers to copy

Below is the script I have used. I have just begun adding scripts
to "J materials" on my web pages. If you take a look, I'ld like to
have feedback - especailly negative :)  I ended up basically using

 to preverse white space, 
 for eol, and tohtml from html.ijs
to take care of special html characters.

Best,
Cliff

NB. Script for changing J script into a web viewable page.
NB. Cliff Reiter, Modified Dec 16, 1998
NB.      ijs2html 'scriptname.ijs'       Puts in a default title on html
page
NB.   '' ijs2html 'scriptname.ijs'       No title

require 'files system\packages\misc\html'

ijs2html=:3 : 0
('The J script  ',y.) ijs2html y.
:
fn=.((i.&'.' {. ])y.),'.html'
'' fwrite fn
y. fappends fn
'' fappends fn
('',x.,'
') fappends fn
(;<@('
'&,);.2 tohtml fread y.)fappends fn
'
' fappends fn
)

--
Clifford A. Reiter
Mathematics Department, Lafayette College
Easton, PA 18042 USA,   610-330-5277
                            ^^^ Note new phone exchange
http://www.lafayette.edu/~reiterc

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From ljdickey Wed Dec 16 09:47:16 1998
Subject: Re:  Jforum: ijs to html

Can you give an example of such a page?, please.

Lee

> From owner-jsoftware@lists.interlog.com  Wed Dec 16 09:22:09 1998
> Date: Wed, 16 Dec 1998 08:52:53 -0500
> From: Cliff Reiter 
> Subject: Jforum: ijs to html
> To: forum@jsoftware.com
>
> Thanks for the recent pointers to html.ijs and scriptdoc
>
> I have made an attempt to convert *.ijs files to html in a way that:
>
>   Makes them easy for me to post on the web
>   Makes them easy to read on the web
>   Makes them easy for readers to copy
>
> Below is the script I have used. I have just begun adding scripts
> to "J materials" on my web pages. If you take a look, I'ld like to
> have feedback - especailly negative :)  I ended up basically using
> 
 to preverse white space, 
 for eol, and tohtml from html.ijs
> to take care of special html characters.
>
> Best,
> Cliff
>
> NB. Script for changing J script into a web viewable page.
> NB. Cliff Reiter, Modified Dec 16, 1998
> NB.      ijs2html 'scriptname.ijs'       Puts in a default title on html
> page
> NB.   '' ijs2html 'scriptname.ijs'       No title
>
> require 'files system\packages\misc\html'
>
> ijs2html=:3 : 0
> ('The J script  ',y.) ijs2html y.
> :
> fn=.((i.&'.' {. ])y.),'.html'
> '' fwrite fn
> y. fappends fn
> '' fappends fn
> ('',x.,'
') fappends fn
> (;<@('
'&,);.2 tohtml fread y.)fappends fn
> '
' fappends fn
> )
>
> --
> Clifford A. Reiter
> Mathematics Department, Lafayette College
> Easton, PA 18042 USA,   610-330-5277
>                             ^^^ Note new phone exchange
> http://www.lafayette.edu/~reiterc
>
> --------------------------------------------------------------------------------
> J Forum: for information about this list, see http://www.jsoftware.com/forum.htm
>

From owner-jsoftware@lists.interlog.com  Wed Dec 16 09:50:09 1998
From: dajoy@hoy.net
Date: Wed, 16 Dec 1998 09:32:55 -0500
Subject: Jforum: Last freeware

Could you please tell me what is the version number of the last
freeware J languaje distribution?

--------------------------------------------------------------------------------
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From reiterc@lafvax.lafayette.edu  Wed Dec 16 09:54:58 1998
Date: Wed, 16 Dec 1998 09:50:51 -0500
From: Cliff Reiter 
Subject: Re: Jforum: ijs to html
Reply-to: reiterc@lafvax.lafayette.edu
Organization: Lafayette College
Content-type: text/plain; charset=us-ascii
References: <199812161447.JAA05904@goedel.math.uwaterloo.ca>

Lee Dickey wrote:
>
> Can you give an example of such a page?, please.
>
> Lee
>

Sure,

http://www.lafayette.edu/~reiterc/j/withj02.html

see also

http://www.lafayette.edu/~reiterc/j/index.html

Best,
Cliff

From owner-jsoftware@lists.interlog.com  Wed Dec 16 09:58:09 1998
From: dajoy@hoy.net
Date: Wed, 16 Dec 1998 09:32:55 -0500
Subject: Jforum: runtime.js

I have the JRT.EXE (DATE 01/31/96) from the JRTNT95.ZIP.

The help file says:

Directory examples\demo contains example files runtime.js and
runtime.ico. Run that application with a command line:

	c:\j3\jrt.exe  examples\demo\runtime.js

But that "runtime.js" file is not in my examples\demo\

Can someone send it to me? Will it work with my JRT?

Thanks.

Daniel

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Wed Dec 16 10:04:52 1998
From: "Chris Burke" 
Subject: Re: Jforum: Frequently Used File list in J4.02
Date: Wed, 16 Dec 1998 09:38:39 -0500
	charset="iso-8859-1"

Oleg Kobchenko wrote:

>It's just + !
>
>But it holds only about 20 lines. It would be worth while
>holding more, possibly unlimited, for the current session, maybe
>between sessions. In my Linux history there are thousands of
>lines in the history, and it's very useful to do
>
>  history|grep what i want|tail
>
>Maybe this window that pops up for ^D should have context
>search, or even regex search, hopping over to next and
>prev matches.

You can experiment with the input log verbs "editinputlog" and
"editinputlogs" in the j locale (defined in jadelib.ijs).

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Wed Dec 16 10:20:58 1998
Date: Wed, 16 Dec 1998 16:50:06 +0200 (EET)
From: Oleg Kobchenko 
Subject: Jforum: LAPACK Users' Guide Release 2.0
In-Reply-To: 

LAPACK Users' Guide Release 2.0
E. Anderson, et al.

Came accross on the web, donno if it is cited anywhere
in J LAPACK docs

http://www.netlib.org/lapack/lug/lapack_lug.html

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Wed Dec 16 10:33:24 1998
Date: Wed, 16 Dec 1998 09:50:51 -0500
From: Cliff Reiter 
Subject: Re: Jforum: ijs to html
Organization: Lafayette College
Content-type: text/plain; charset=us-ascii
References: <199812161447.JAA05904@goedel.math.uwaterloo.ca>

Lee Dickey wrote:
>
> Can you give an example of such a page?, please.
>
> Lee
>

Sure,

http://www.lafayette.edu/~reiterc/j/withj02.html

see also

http://www.lafayette.edu/~reiterc/j/index.html

Best,
Cliff

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Wed Dec 16 11:19:26 1998
Date: Wed, 16 Dec 1998 10:45:57 -0500
From: Eric Iverson 
Organization: Iverson Software Inc.
Subject: Re: Jforum: icons in isipicture
References: 

The isipicture and ownerdraw button .ico support was done in the early
days if win31. I hadn't realized it, but guess that they don't do
whatever is necessary to support a transparent color. Your best bet
would be to use a simple icon editor to change the background color from
transparent to the color you want.

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Wed Dec 16 12:17:18 1998
From: smillie@cs.ualberta.ca
Subject: Re: Jforum: wince platforms: P/PC, H/PC, H/PC Pro
Date: Wed, 16 Dec 1998 09:22:59 -0700 (MST)
In-Reply-To: <01BE28E7.449ABAA0@geisli-292.centrum.is> from "Bjorn G. Helgason" at Dec 16, 98 11:12:10 am

Gosi,
  I seem to have missed something. What is a
"wince" machine. Pardon my ignorance.
Keith

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Wed Dec 16 12:47:35 1998
Date: Wed, 16 Dec 1998 18:51:52 +0200 (EET)
From: Oleg Kobchenko 
Subject: Re: Jforum: runtime.js
In-Reply-To: <9812161430.AA23886@mail1.hoy.net>

JRT is a runtime version of some 2.xx or so J,
in those days J system did not allow the runtime mode.

Now you simply use a commandline:

  j.exe /rt yourscript.ijs

to get the same effect as with the old jrt.exe.

See the folder SYSTEM\EXAMPLES\runtime\ for a set
of files to build a runtime distributable compressed
package.

On Wed, 16 Dec 1998 dajoy@hoy.net wrote:

> I have the JRT.EXE (DATE 01/31/96) from the JRTNT95.ZIP.
>
> The help file says:
>
> Directory examples\demo contains example files runtime.js and
> runtime.ico. Run that application with a command line:
>
> 	c:\j3\jrt.exe  examples\demo\runtime.js
>
> But that "runtime.js" file is not in my examples\demo\
>
> Can someone send it to me? Will it work with my JRT?
>
> Thanks.
>
> Daniel
>
>
>
> --------------------------------------------------------------------------------
> J Forum: for information about this list, see http://www.jsoftware.com/forum.htm
>

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From owner-jsoftware@lists.interlog.com  Wed Dec 16 13:11:21 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: wince platforms: P/PC, H/PC, H/PC Pro
Date: Wed, 16 Dec 1998 17:44:20 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE291B.E46A9A80"

------ =_NextPart_000_01BE291B.E46A9A80

From: smillie@cs.ualberta.ca[SMTP:smillie@cs.ualberta.ca]

>  I seem to have missed something. What is a
> "wince" machine.
A machine running Windows CE
> Pardon my ignorance.
Geen problem
/Gosi

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From owner-jsoftware@lists.interlog.com  Wed Dec 16 13:14:12 1998
Date: Wed, 16 Dec 1998 19:49:29 +0200 (EET)
From: Oleg Kobchenko 
Subject: Jforum: Assigning to arrays in ole
In-Reply-To: <3677BB35.4239@lafvax.lafayette.edu>

I have put this question several times in cla, but
having failed to get an answer, dropped it, now I
stumbled on it again.

Given an OCX definition, e.g. in terms of VBA

   Property List(index) As String

whereas in VBA this properrty is accessed by

  str = [object.]List(5)  ' or
  [object.]List(5) = str  '

in J 'oleget' works:

  str=. wd'oleget id base list 5'

but 'oleset' gives an error:

  wd'oleset id base List 5 *my string'

same for

  wd'olemethod id base List_put 5 *my string'

and many other ways.

This is an abstract example. More specifically, you
can get with MS List View control, or MS FlexGrid.

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Wed Dec 16 13:21:19 1998
Date: Wed, 16 Dec 1998 12:40:29 -0500
From: David Ness 
Subject: Re: Jforum: wince platforms: P/PC, H/PC, H/PC Pro
References: <19981216162306Z13242-22356+127@scapa.cs.ualberta.ca>

smillie@cs.ualberta.ca wrote:
>
> Gosi,
>   I seem to have missed something. What is a
> "wince" machine. Pardon my ignorance.
> Keith
>

WinCE is a `Windows-related' operating system designed by MS for
small machines of the palmtop/hand-held variety.

Depending on who you talk to it is either `Limited Windows' or
`Emasculated Windows'.

WinCE machines tend to have some limited exchange capability with their
big-brother relatives (NT, Win95, Win98). There are `Pocket' versions
of various Office software like Excel and Word. Again, depending on
who you talk to these either work (1) well; or (2) badly.

The most limited WinCE machines tend to start at several hundred
dollars. They go up to just over a thousand.

The major thing separating WinCE machines from the sub-notebook class
of full-PCs seems to me to be:
   (1) instant-on; and
   (2) battery life.

Take a look at: http://members.home.net/dness to compare a couple of
WinCE machines (HP620 and NEC750) with a full-scale sub-notebook
(Libretto) if you are interested in further details.

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Wed Dec 16 13:46:45 1998
Date: Wed, 16 Dec 1998 20:07:02 +0200 (EET)
From: Oleg Kobchenko 
Subject: Re: Jforum: ijs to html
In-Reply-To: <3677BB35.4239@lafvax.lafayette.edu>

On Wed, 16 Dec 1998, Cliff Reiter wrote:

> Below is the script I have used. I have just begun adding scripts
> to "J materials" on my web pages. If you take a look, I'ld like to
> have feedback - especailly negative :)  I ended up basically using
> 
 to preverse white space, 
 for eol, and tohtml from html.ijs
> to take care of special html characters.

The 
 tag releaves you from using 
, it's redundant.
However, when you wish to intermingle plain paragraphs
with code paragraphs, 
 gives you an extra blank line
at the bottom. Here you use  with 
 for LF, and should
also substitute spaces with  

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Wed Dec 16 14:07:46 1998
From: "Chris Burke" 
Subject: Re: Jforum: runtime.js
Date: Wed, 16 Dec 1998 13:45:21 -0500
	charset="iso-8859-1"

That runtime.js file was an extremely simple script that could be used to
demo runtime systems. The contents follow this message and should work with
your JRT.

If you are missing this script you likely do not have a full copy of the
system and would likely be better off getting the most recent version from
our website.

>I have the JRT.EXE (DATE 01/31/96) from the JRTNT95.ZIP.
>
>The help file says:
>
>Directory examples\demo contains example files runtime.js and
>runtime.ico. Run that application with a command line:
>
>c:\j3\jrt.exe  examples\demo\runtime.js
>
>But that "runtime.js" file is not in my examples\demo\
>
>Can someone send it to me? Will it work with my JRT?

Script follows:

NB. This is a simple test script that can be used to
NB. experiment with the runtime application packager.

NB. window driver:
wd=: 11!:0

NB. demo window program:
wp=: 0 : 0
pc a;
phandler "closeme 0";
pn "Hello World!";
xywh 40 40 60 40;
cc b button;
cn "Goodbye!";
pas 40 40;
pcenter;pshow;
)

closeme=: 3 : 0
wd 'pclose'
)

wd wp

--------------------------------------------------------------------------------
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From ljdickey Wed Dec 16 14:44:26 1998
Subject: Re:  Jforum: Last freeware

j7

From owner-jsoftware@lists.interlog.com  Wed Dec 16 15:59:21 1998
From: "John D. Baker" 
Subject: Jforum: Fractal Music  -- JOOL!
Date: Wed, 16 Dec 1998 15:25:21 -0500

Greetings,

To see how ijs2html worked I followed the links
to Cliff Reiter's web site and downloaded the "smoke puffs"
scripts.  Here a few observations:

1) Saving the script as text makes it instantly loadable
   into J.  You only have to edit the first "j script ..." line.

2) You might want to add a

      require 'files'

   line to the top of your script. Not everyone loads
   the entire standard suite of scripts.

3) When you write the "sp.wav" file you might consider

   s wwavestereo (1!:40 ''),'temp\sp.wav' NB. write sound to wave file

   The (1!:40) conjunction points to where J.EXE lives, in standard
   J 4.0X installs there is always a "temp" subdirectory.

Otherwise this is a very cool little script.  It generated
a 1.47meg *.wav file that I could play with a number of different
players. The music has a very 1950's bad science fiction movie sound.
Play it at full blast on large speakers for neighbors you want to
drive insane!

John D. Baker
bakerjd@kos.net

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From owner-jsoftware@lists.interlog.com  Wed Dec 16 16:05:31 1998
From: jquint@cdcna.cdcc.com
Subject: RE: Jforum: wince platforms: P/PC, H/PC, H/PC Pro
Date: Wed, 16 Dec 1998 15:18:59 -0500

This http://www.waysoft.com/#peruse is a useful site when looking for a
WinCE, or otherwise, handheld machine for running J.   The information
provided includes OS, RAM, CPU, Dimensions, etc..  The side by side
facility is especially handy.

>----------
>From: 	David Ness[SMTP:DNess@home.com]
>Sent: 	Wednesday, December 16, 1998 12:40 PM
>To: 	forum@jsoftware.com
>Subject: 	Re: Jforum: wince platforms: P/PC, H/PC, H/PC Pro
>
>smillie@cs.ualberta.ca wrote:
>>
>> Gosi,
>>   I seem to have missed something. What is a
>> "wince" machine. Pardon my ignorance.
>> Keith
>>
>
>WinCE is a `Windows-related' operating system designed by MS for
>small machines of the palmtop/hand-held variety.
>
>Depending on who you talk to it is either `Limited Windows' or
>`Emasculated Windows'.
>
>WinCE machines tend to have some limited exchange capability with their
>big-brother relatives (NT, Win95, Win98). There are `Pocket' versions
>of various Office software like Excel and Word. Again, depending on
>who you talk to these either work (1) well; or (2) badly.
>
>The most limited WinCE machines tend to start at several hundred
>dollars. They go up to just over a thousand.
>
>The major thing separating WinCE machines from the sub-notebook class
>of full-PCs seems to me to be:
>   (1) instant-on; and
>   (2) battery life.
>
>Take a look at: http://members.home.net/dness to compare a couple of
>WinCE machines (HP620 and NEC750) with a full-scale sub-notebook
>(Libretto) if you are interested in further details.
>
>-----------------------------------------------------------------------------
>---
>J Forum: for information about this list, see
>http://www.jsoftware.com/forum.htm
>

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Wed Dec 16 19:58:06 1998
From: "Mark Leeds" 
Subject: Jforum: replacing matrix columns in J ?
Date: Wed, 16 Dec 1998 19:21:41 -0800
	boundary="----=_NextPart_000_0006_01BE2929.4FB1C180"

This is a multi-part message in MIME format.

------=_NextPart_000_0006_01BE2929.4FB1C180
	charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

to who anyone who is kind enough to answer. I am just beginning to use =
J. I have a matrix
called X and a vector called y. I want to do the following two steps =
using J code.
ibig is the ibigth column in X  so ibig =3D 7 means the the seventh =
column=20

step 1) replace the ibig column  in X with the nth column in X.
step 2)  replace the nth column in X with y.=20

The length of y is equal to the length of the columns of X.
This should be simple but I looked through the primer,
dictionary, phrases and tried to use } without success.
Thank you very much.

                                                                         =
           Mark=20

------=_NextPart_000_0006_01BE2929.4FB1C180
	charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable










to who anyone who is kind enough to =
answer. I am=20
just beginning to use J. I have a matrix


called X and a vector called y. I =
want to do the=20
following two steps using J code.


ibig is the ibigth column in X  =
so ibig =3D 7=20
means the the seventh column 


 


step 1) replace the ibig =
column  in X with=20
the nth column in X.


step 2)  replace the nth column =
in X with=20
y. 


 


The length of y is equal to the =
length of the=20
columns of X.


This should be simple but I looked =
through the=20
primer,


dictionary, =
phrases and=20
tried to use } without success.


Thank you very =

much.


 


          &nbs=
p;            =
;            =
            &=
nbsp;           &n=
bsp;           &nb=
sp;           =20
Mark 


 


 


 


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From owner-jsoftware@lists.interlog.com  Wed Dec 16 22:24:00 1998
Date: Wed, 16 Dec 1998 21:31:36 -0500
From: David Ness 
Subject: Re: Jforum: replacing matrix columns in J ?
References: <000901be296c$62d6be80$b110ba92@oemcomputer>

I occasionally find it productive to transpose a matrix. In such
a case, a column operation becomes a row operation, and row operations
are generally pretty easy. J makes transposing in and out very easy.

For example:
   a =: i. 3 3
   |:(10 20 30) 1} |:a
replaces column 1 producing:
  0 10 2
  3 20 5
  6 30 8

This has the advantage of simple. Undoubtedly someone else will show
you how to do it elegantly, but I find some solace in simple.

> Mark Leeds wrote:
>
> to who anyone who is kind enough to answer. I am just beginning to use J. I have a matrix
> called X and a vector called y. I want to do the following two steps using J code.
> ibig is the ibigth column in X  so ibig = 7 means the the seventh column
>
> step 1) replace the ibig column  in X with the nth column in X.
> step 2)  replace the nth column in X with y.
>
> The length of y is equal to the length of the columns of X.
> This should be simple but I looked through the primer,
> dictionary, phrases and tried to use } without success.
> Thank you very much.
>
>                                                                                     Mark
>
>
>

--------------------------------------------------------------------------------
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From dajoy@hoy.net  Wed Dec 16 22:52:17 1998
From: dajoy@hoy.net
Date: Wed, 16 Dec 1998 22:29:59 -0500
Subject: Re:  Jforum: Last freeware
In-Reply-To: <199812161944.OAA08583@goedel.math.uwaterloo.ca>

> j7

But isn't J at version 4.02 ?

Where can I get this j7 ?

From owner-jsoftware@lists.interlog.com  Thu Dec 17 04:38:38 1998
From: Lars.Strand@nisk.no (Strand, Lars)
Subject: Jforum: Windows commands
Date: Thu, 17 Dec 1998 09:59:47 +0100
Content-Transfer-Encoding: 8bit
X-MIME-Autoconverted: from quoted-printable to 8bit by lists.interlog.com id DAA16308

I have used a Mac for most of the time, so I am not so familiar with Windows. The examples you have in the User manual for J, have, however made me interested in learning more about the use of buttons, listboxes, etc.

The place where I live has no good book shop dealing with computer books.
Therefore, I am interested to get a couple of references to books (eventually on Internet), where I can find, e.g. how to write to a textbox
with vertical scroll bars.

Could anyone be so kind as to give me some references?

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Thu Dec 17 04:38:55 1998
References: <36728F21.70D0@airmail.net>
Organization: Voxel
From: "Andrew Nikitin" 
Date: Thu, 17 Dec 1998 09:17:05 +0200 (EET)
Subject: Re: Jforum: Searching in Help

12-Dec-98 09:43 Peter Nichols wrote:
> If I'm in the User manual (for example) looking at the wd commands; is
> there a way to search for text within the window.

The nessecity to search through single help topic arises often while viewing
wd command reference. Script that converts wd topic into scriptdoc is below.
It doesn't solve the problem because scriptdoc doesn't have search ability.
But it is fully extensible, while winhelp isn't.

NB. This script converts wd command reference
NB. into scriptdoc acceptable file.
NB. Before starting it do the following:
NB.  1) press Shift+F1
NB.  2) press TAB, TAB, ENTER (to open 'wd commands' topic)
NB.  3) press Ctrl+C (to copy it into clipboard)
NB.  4) press ESC (to close hel window)

NB.* SCRIPTDOCFILE n file name to save converted data
SCRIPTDOCFILE=:'c:\tmp\wd.js'

require 'regex'

WDREF=:wdclipread ''
ENTRY=:rxcomp '^([[:alnum:]]+)[[:space:]]+([][_.[:alnum:][:space:]]*);[[:space:]]*'

formatline=: 3 : 0
  if. _1 0 -: {. i=.ENTRY rxmatch y. do.
    'NB. ',y.
  else.
    r=.LF,'NB.* ', > y. rxfrom~ 1{i
    r=.r,' w ', (<./ 50 , '.'i.~ ra,'.') {. ra=.(1{0{i) }. y.
    r=.r,LF,'NB. Form: ',>y. rxfrom~ 0{i
    r=.r,LF,'NB. ',ra
  end.
)

NB.replacement for set utility from regbuild.ijs
NB. set=:'['"_ , (/: ']['&i.) , ']'"_

SDREF=:;LF,~each <@formatline;._2 WDREF
SDREF 1!:2 
Subject: RE: Jforum: Windows commands
Date: Thu, 17 Dec 1998 18:22:03 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE29EA.5EC4E280"

------ =_NextPart_000_01BE29EA.5EC4E280

From: Strand, Lars[SMTP:Lars.Strand@nisk.no]
> The examples you have in the User manual for J, have, however made
> me interested in learning more about the use of buttons, listboxes, etc.
> e.g. how to write to a textbox with vertical scroll bars.
> Could anyone be so kind as to give me some references?

On of the best places to look for help to start programming windows
is to go though the demos in J.

One of the most interesting in this respect is controls.

However when I tested this again now I remember complaining about
the horisontal scroll bars not working. It still does not !!
I do not remember what the explanation it was then. It is probably
still valid even if I do not rememember what it is.

Create an ijs file and use form edit to create something like
that contains a line like this one:
xywh 0 0 29 33;cc ll listbox ws_hscroll ws_vscroll lbs_sort;

Then in the verb that writes to the listbox; you can start with
adding these lines in the run verb; add these two lines:
ll=. ;:'halloapples bananas cherries dateshalloapples bananas cherries dates'
wd  'set ll ',;ll ,each LF
add them just before the line:
wd 'pshow;'
What happens is that you get a box showing some of the text.
You get a vertical scroll bar automatically because the the text
does not fit in the box. What does NOT happen is that you do NOT
get horisontal scroll bars for some reason I do not remember.
/Gosi

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From owner-jsoftware@lists.interlog.com  Thu Dec 17 13:44:23 1998
From: "Bjorn G. Helgason" 
Subject: Jforum: Java from web studio - evaluation not registered
Date: Thu, 17 Dec 1998 17:45:55 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE29EA.59C32580"

------ =_NextPart_000_01BE29EA.59C32580

I have got complaints that a person
who does not have J was going to look
at the examples on the www.jsoftware.com
It did not work and after download and install and
not registrering the product nor the evaluation
it still does not work.

What is needed is that the demo from the web
studio should look for if J is installed or not
inform the user.

If J is installed but not registered it should
run some j.exe /rt demo.jr or j.exe /rt demo.js

In general I think there should be a bat file
which would run some demos without the
need to have a registered product.

/Gosi

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From owner-jsoftware@lists.interlog.com  Thu Dec 17 14:24:30 1998
Date: Thu, 17 Dec 1998 21:09:25 +0200 (EET)
From: Oleg Kobchenko 
Subject: RE: Jforum: Windows commands
In-Reply-To: <01BE29EA.5EBD4160@geisli-259.centrum.is>

On Thu, 17 Dec 1998, Bjorn G. Helgason wrote:

> From: 	Strand, Lars[SMTP:Lars.Strand@nisk.no]
> > e.g. how to write to a textbox with vertical scroll bars.
> > Could anyone be so kind as to give me some references?
>
> However when I tested this again now I remember complaining about
> the horisontal scroll bars not working. It still does not !!

> xywh 0 0 29 33;cc ll listbox ws_hscroll ws_vscroll lbs_sort;
> ll=. ;:'halloapples bananas cherries dateshalloapples bananas cherries dates'
> wd  'set ll ',;ll ,each LF
> wd 'pshow;'
> does not fit in the box. What does NOT happen is that you do NOT
> get horisontal scroll bars for some reason I do not remember.

If I am not mistaken, windows listbox control can be exclusively
either hscroll -- for multiple columns, or vscroll -- for single
column. If you want to scroll long text that does not fit
into your listbox width, do it yourself -- with addittional
scroll bar and event logic, or use a different control, e.g.
ListView ActiveX control would be a good candidate, if anybody
could explain how to use 'assignment to arrays in J OCX'.

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From owner-jsoftware@lists.interlog.com  Thu Dec 17 14:29:02 1998
From: "Bjorn G. Helgason" 
Subject: Jforum: Using cards.dll from J - create J FreeCell
Date: Thu, 17 Dec 1998 19:12:29 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE29F1.7818C920"

------ =_NextPart_000_01BE29F1.7818C920

I am wondering if someone has tried to use the cards.dll from J ?

This is probably one of the most heavily used dlls there is.

Is there a simple way to pick a card, lay out like in Solitaire
or FreeCell from J ?

/Gosi

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From owner-jsoftware@lists.interlog.com  Thu Dec 17 17:13:47 1998
From: "Bjorn G. Helgason" 
Subject: Jforum: Mapped files
Date: Thu, 17 Dec 1998 21:01:46 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2A00.FADFF360"

------ =_NextPart_000_01BE2A00.FADFF360

I am wondering if this is the intended behaviour?
I map a file replace it with text and then when
I unmap and remap it has only replaced the text
in the beginning. Can I make the file shorter?
I have tried adding av 0 without any luck.
As soon as I make the noun shorter I can not
reach the rest of the file unless I unmap and remap.
I guess this has something to do with limitations
in the utils rather than the mapping. I have not
tested this map stuff very much up to now.

JCHAR map_jmf_ 'atest';'temp/t.txt'
   atest
333asdfgitset gnitset
   #atest
21
   $atest
21
   atest=:'hallo'
   #atest
5
   $atest
5
   unmap_jmf_'atest'
0
   JCHAR map_jmf_ 'atest';'temp/t.txt'
   atest
hallodfgitset gnitset
   #atest
21
   $atest
21

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AAAAAAAAAM8N

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From owner-jsoftware@lists.interlog.com  Thu Dec 17 17:31:08 1998
Date: Thu, 17 Dec 1998 16:58:45 -0500
From: Murray Eisenberg 
Organization: Mathematics & Statistics, Univ. of Mass./Amherst
Subject: Re: Jforum: ijs to html
References: <199812161447.JAA05904@goedel.math.uwaterloo.ca> <3677C8CB.568E@lafvax.lafayette.edu>

Where program mplay32.exe come from that's needed to play the .wav file
created by the script withj02.html?

Cliff Reiter wrote:
>
> Lee Dickey wrote:
> >
> > Can you give an example of such a page?, please.
> >
> > Lee
> >
>
> Sure,
>
> http://www.lafayette.edu/~reiterc/j/withj02.html
>
> see also
>
> http://www.lafayette.edu/~reiterc/j/index.html
>
> Best,
> Cliff
>
> --------------------------------------------------------------------------------
> J Forum: for information about this list, see http://www.jsoftware.com/forum.htm

--
  Murray Eisenberg                  Internet:  murray@math.umass.edu
  Mathematics & Statistics Dept.    Voice:  413-545-2859 (W)
  University of Massachusetts               413-549-1020 (H)
  Amherst, MA 01003                 Fax:    413-545-1801

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From owner-jsoftware@lists.interlog.com  Thu Dec 17 17:45:56 1998
Date: Thu, 17 Dec 1998 17:26:37 -0500
From: Cliff Reiter 
Subject: Re: Jforum: ijs to html
Organization: Lafayette College
Content-type: text/plain; charset=us-ascii
References: <199812161447.JAA05904@goedel.math.uwaterloo.ca>
 <3677C8CB.568E@lafvax.lafayette.edu> <36797E95.3CEAFE2D@math.umass.edu>

First,
  Thanks to all for helpful suggestions about this. I appreciate the
feedback.

Murray Eisenberg wrote:
>
> Where program mplay32.exe come from that's needed to play the .wav file
> created by the script withj02.html?
>

Second, about mplay32,
That happens to be the name of a media player on my machine and
the NB. from the script that contained it was to suggest a
syntax for popping open a window to play the sound from J.
I believe sound recorder will suffice for any windows box.
I don't know which programs do this for the mac.

--
Clifford A. Reiter
Mathematics Department, Lafayette College
Easton, PA 18042 USA,   610-330-5277
                            ^^^ Note new phone exchange
http://www.lafayette.edu/~reiterc

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From owner-jsoftware@lists.interlog.com  Thu Dec 17 21:13:37 1998
From: "Nichols, Peter" 
Subject: Jforum: J OLE Automation client
Date: Thu, 17 Dec 1998 18:42:05 -0600
	charset="iso-8859-1"

Is there an example of a J OLE Automation client with J?  I'd like just
a simple example, maybe running Notepad or something from J.   Thanks.

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From owner-jsoftware@lists.interlog.com  Fri Dec 18 03:29:34 1998
From: Simon_Garland@oti.com (Simon Garland ZRH)
Organization: Object Technology International Inc
Date: Fri, 18 Dec 1998 02:58:10 -0500
Subject: Read: Jforum: Java from web studio - eva

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From owner-jsoftware@lists.interlog.com  Fri Dec 18 03:30:22 1998
From: Simon_Garland@oti.com (Simon Garland ZRH)
Organization: Object Technology International Inc
Date: Fri, 18 Dec 1998 02:58:04 -0500
Subject: Read: Jforum: Windows commands

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From owner-jsoftware@lists.interlog.com  Fri Dec 18 04:17:08 1998
From: Simon_Garland@oti.com (Simon Garland ZRH)
Organization: Object Technology International Inc
Date: Fri, 18 Dec 1998 03:56:04 -0500
Subject: Read: Jforum: Using cards.dll from J - c

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From owner-jsoftware@lists.interlog.com  Fri Dec 18 04:56:11 1998
From: Simon_Garland@oti.com (Simon Garland ZRH)
Organization: Object Technology International Inc
Date: Fri, 18 Dec 1998 04:20:10 -0500
Subject: Read: Jforum: Mapped files

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From owner-jsoftware@lists.interlog.com  Fri Dec 18 07:16:15 1998
From: "Chris Burke" 
Subject: Re: Jforum: replacing matrix columns in J ?
Date: Fri, 18 Dec 1998 07:01:06 -0500
	charset="iso-8859-1"

Mark Leeds wrote:
>to who anyone who is kind enough to answer. I am just beginning to use J. I
have a matrix
>called X and a vector called y. I want to do the following two steps using
J code.
>ibig is the ibigth column in X  so ibig = 7 means the the seventh column
>
>step 1) replace the ibig column  in X with the nth column in X.
>step 2)  replace the nth column in X with y.
>
>The length of y is equal to the length of the columns of X.
>This should be simple but I looked through the primer,
>dictionary, phrases and tried to use } without success.
>Thank you very much.

First understand how { (from) is used to select a column in a  matrix. Amend
uses essentially the same idea, though you need to take care when using
rank.

   X=: Y=: i.3 9
   ibig=: 7
   n=: 3
   y=: 100 200 300

   NB. ================
   NB. 1. using { with rank:

   NB. index column ibig of X
   ibig{"1 X
7 16 25

   NB. replacing column ibig of X
   [X=: (n{"1 X) ibig}"0 1 X
 0  1  2  3  4  5  6  3  8
 9 10 11 12 13 14 15 12 17
18 19 20 21 22 23 24 21 26

   NB. replacing column n of X
   [X=: y n}"0 1 X
 0  1  2 100  4  5  6  3  8
 9 10 11 200 13 14 15 12 17
18 19 20 300 22 23 24 21 26

   NB. ================
   NB. 2. using { with an argument of rows and columns.
   NB. Here, a: is used to specify all rows.

   NB. index column ibig of Y
   (
Subject: Re: Jforum: J OLE Automation client
Date: Fri, 18 Dec 1998 07:09:49 -0500
	charset="iso-8859-1"

Peter Nichols wrote:

>Is there an example of a J OLE Automation client with J?  I'd like just
>a simple example, maybe running Notepad or something from J.   Thanks.

The Help|User|OLE and OCX describe using J as an OLE client for Excel.

However, this help has a tutorial which uses a worksheet jmacros.xls
supplied with J, and when running through the tutorial, you get an error
that the macros in this worksheet "cannot be found" by Excel. I'm not sure
why this occurs, however, I reworked the spreadsheet so that the tutorial
works fine. If you are interested, you can download it from
http://www.jsoftware.com/scripts.htm

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From owner-jsoftware@lists.interlog.com  Fri Dec 18 08:10:56 1998
Date: Fri, 18 Dec 1998 06:55:36 -0600
From: Don Guinn 
Subject: Re: Jforum: J OLE Automation client
References: <006e01be2a7f$6c93eec0$190114d1@xps200>

This is a nice link, but I tried to find it from the J web page and couldn't.  Did I
miss it?

Don

Chris Burke wrote:

> Peter Nichols wrote:
>
> >Is there an example of a J OLE Automation client with J?  I'd like just
> >a simple example, maybe running Notepad or something from J.   Thanks.
>
> The Help|User|OLE and OCX describe using J as an OLE client for Excel.
>
> However, this help has a tutorial which uses a worksheet jmacros.xls
> supplied with J, and when running through the tutorial, you get an error
> that the macros in this worksheet "cannot be found" by Excel. I'm not sure
> why this occurs, however, I reworked the spreadsheet so that the tutorial
> works fine. If you are interested, you can download it from
> http://www.jsoftware.com/scripts.htm
>
> --------------------------------------------------------------------------------
> J Forum: for information about this list, see http://www.jsoftware.com/forum.htm

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From owner-jsoftware@lists.interlog.com  Fri Dec 18 11:43:15 1998
From: jquint@cdcna.cdcc.com
Subject: RE: Jforum: replacing matrix columns in J ?
Date: Fri, 18 Dec 1998 11:16:39 -0500

... and you can use &. to keep it in the original form:

A =: i. 3 3
   A
0 1 2
3 4 5
6 7 8
   (10 20 30) 1}&.|:A
0 10 2
3 20 5
6 30 8

----------
From: David Ness [SMTP:DNess@home.com]
Sent:  Wednesday, December 16, 1998 9:32 PM
Subject: Re: Jforum: replacing matrix columns in J ?

I occasionally find it productive to transpose a matrix. In such a
case, a column operation becomes a row operation, and row operations
are generally pretty easy. J makes transposing in and out very easy.
For example:
a =: i. 3 3
   |:(10 20 30) 1} |:a
replaces column 1 producing:
0 10 2
3 20 5
6 30 8

This has the advantage of simple. Undoubtedly someone else will show
you how to do it elegantly, but I find some solace in simple.
> Mark Leeds wrote:
>
> to who anyone who is kind enough to answer. I am just beginning to
use J. I have a matrix
> called X and a vector called y. I want to do the following two steps
using J code.
> ibig is the ibigth column in X  so ibig = 7 means the the seventh
column
>
> step 1) replace the ibig column  in X with the nth column in X.
> step 2)  replace the nth column in X with y.
>
> The length of y is equal to the length of the columns of X.
> This should be simple but I looked through the primer,
> dictionary, phrases and tried to use } without success.
> Thank you very much.
>
>

            Mark
>
>
>

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From owner-jsoftware@lists.interlog.com  Fri Dec 18 11:46:08 1998
Date: Fri, 18 Dec 1998 11:27:54 -0500
From: Eric Iverson 
Organization: Iverson Software Inc.
Subject: Re: Jforum: Mapped files
References: <01BE2A00.FACF2A80@geisli-259.centrum.is>

Bjorn G. Helgason wrote:
>
> I am wondering if this is the intended behaviour?
> I map a file replace it with text and then when
> I unmap and remap it has only replaced the text
> in the beginning. Can I make the file shorter?
> I have tried adding av 0 without any luck.
> As soon as I make the noun shorter I can not
> reach the rest of the file unless I unmap and remap.
> I guess this has something to do with limitations
> in the utils rather than the mapping. I have not
> tested this map stuff very much up to now.
When you map a noun/file you map all the bytes in the file. The file
size can't be changed while it is mapped. To get the effect you want,
you need to explicily set a new file size after you unmap. See verbs
GetFileSizeR, SetFilePointerR, and SetEndOfFile in jmf.ijs.

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From owner-jsoftware@lists.interlog.com  Fri Dec 18 16:04:20 1998
From: jquint@cdcna.cdcc.com
Subject: RE: Jforum: wince platforms: P/PC, H/PC, H/PC Pro
Date: Fri, 18 Dec 1998 15:37:40 -0500

I tried David Ness' benchmark on the 24MB  Velo 500 (about $500, mail
order, in the US).  I took about 2 minutes but it appeared as:

   n=. 10000000
   6!:2 '+/(1+i.n)^1.000001'
3
   NB.  First J WinCE bug!?

It showed 0 for n=. 1000 and it took less than a second.

I also tried the demos and it did not have any memory problems ( as
opposed to the 16 MB Velo according to /Gosi).

The following information is from http://www.waysoft.com/ and covers
most, if not all, that is shown in http://members.home.net/dness/

Waysoft's Handheld Computing Zone
Philips Velo 500    This page was last modified 10/25/1998

 WAYSOFT HOMEPAGE

                                    Make
                                            Philips
                                   Model
                                            Velo 500
                                    Links
                                           Homepage
                                 Size (in)
                                           6.8 x 3.8 x 1.0
                                Size (cm)
                                          17.1 x 9.5 x 2.6
                              Weight (oz)
                                         14.9
                             Weight (gm)
                                         422
                                     CPU
                                          MIPS R3900 75MHz
                                     RAM
                                            16-24MB
                                    Input
                                            Keybd, Pen
                         Screen resolution
                                    640 x 240
                       Screen size in (cm)
                                    ?
                              Screen type
                                        Monochrome Backlit
                                  Shades
                                           16
                        Standard features
                                    AC adapter, Docking Unit, IrDA,
Proprietary memory card,

                  Modem, NiMH Rechargable Battery, Serial port
                                     O.S.
                                           Windows CE 2
                                     ROM
                                           ?
                                   Power
                                           2-AA
                          Est. Battery Life
                                     20hr
                            Speaker / Mic
                                       Yes / Yes

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From owner-jsoftware@lists.interlog.com  Sat Dec 19 17:00:58 1998
From: "David Vincent-Jones" 
Subject: Jforum: OpenGL Annotation
Date: Sat, 19 Dec 1998 13:32:10 -0800

NB. Congratulations to the author
NB. who managed to present
NB. 30 pages of OpenGL utilities,
NB. with ne'er an 'NB.' to be found.

NB. If the J'ester will identify himself
NB. I will direct my questions directly
NB. to his bell bedecked booties.

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From owner-jsoftware@lists.interlog.com  Sat Dec 19 18:10:59 1998
Date: Sat, 19 Dec 1998 17:59:44 -0500
From: Alain Miville de Ch�ne 
Subject: Jforum: OpenGL Annotation
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
X-MIME-Autoconverted: from quoted-printable to 8bit by lists.interlog.com id SAA24592

If you want to use opengl you need to purchase two 400 page books available
at your computer bookstore. NB's are not enough nor even enough to get
started.

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From owner-jsoftware@lists.interlog.com  Sat Dec 19 20:35:13 1998
From: "David Vincent-Jones" 
Subject: Re: Jforum: OpenGL Annotation
Date: Sat, 19 Dec 1998 17:17:22 -0800

The books you are probably referring to, I already have.
jzopengl.ijs however contains an extensive set of pure J utilities which are
beyond the 'Red' and 'Blue' books.
-----Original Message-----
From: Alain Miville de Ch�ne 
Date: December 19, 1998 3:13 PM
Subject: Jforum: OpenGL Annotation

>If you want to use opengl you need to purchase two 400 page books available
>at your computer bookstore. NB's are not enough nor even enough to get
>started.
>
>---------------------------------------------------------------------------
-----
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http://www.jsoftware.com/forum.htm
>

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From owner-jsoftware@lists.interlog.com  Sun Dec 20 04:39:14 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: OpenGL Annotation
Date: Sun, 20 Dec 1998 09:34:33 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2BFC.330A0440"

------ =_NextPart_000_01BE2BFC.330A0440

From: David Vincent-Jones[SMTP:geomap@galaxynet.com]
> NB. Congratulations to the author
> NB. who managed to present
> NB. 30 pages of OpenGL utilities,
> NB. with ne'er an 'NB.' to be found.
> The books you are probably referring to, I already have.
>jzopengl.ijs however contains an extensive set of pure J utilities
> which are beyond the 'Red' and 'Blue' books.

This file is purposedly decommented to make it smaller as
you can see trom the comments in the beginning of the file.
It is therefore not to be considered a base for any extensive
reading of comments.

NB. base opengl class
NB. built from project: source\graphics\opengl\opengl

You have several entries in the help files for opengl.
I used find to look for opengl and found several instances.

I guess you better look for opengl on the net as well.
I bet there are several books to choose from.

/Gosi

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From owner-jsoftware@lists.interlog.com  Sun Dec 20 07:10:17 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: OpenGL Annotation
Date: Sun, 20 Dec 1998 11:49:27 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2C11.33330380"

------ =_NextPart_000_01BE2C11.33330380

From: David Vincent-Jones[SMTP:geomap@galaxynet.com]
> NB. Congratulations to the author
> NB. who managed to present
> NB. 30 pages of OpenGL utilities,
> NB. with ne'er an 'NB.' to be found.
> The books you are probably referring to, I already have.
>jzopengl.ijs however contains an extensive set of pure J utilities
> which are beyond the 'Red' and 'Blue' books.

This file is purposedly decommented to make it smaller as
you can see trom the comments in the beginning of the file.
It is therefore not to be considered a base for any extensive
reading of comments.

NB. base opengl class
NB. built from project: source\graphics\opengl\opengl

You have several entries in the help files for opengl.
I used find to look for opengl and found several instances.

I guess you better look for opengl on the net as well.
I bet there are several books to choose from.

/Gosi

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From owner-jsoftware@lists.interlog.com  Sun Dec 20 11:43:58 1998
From: "Chris Burke" 
Subject: Re: Jforum: OpenGL Annotation
Date: Sun, 20 Dec 1998 11:32:03 -0500
	charset="iso-8859-1"

>NB. Congratulations to the author
>NB. who managed to present
>NB. 30 pages of OpenGL utilities,
>NB. with ne'er an 'NB.' to be found.

The source for these utilities is at http://www.jsoftware.com/scripts.htm

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From owner-jsoftware@lists.interlog.com  Sun Dec 20 11:45:54 1998
From: "Chris Burke" 
Subject: Jforum: Script Library
Date: Sun, 20 Dec 1998 11:28:48 -0500
	charset="iso-8859-1"

I've made a start on the J script library at
http://www.jsoftware.com/scripts.htm

Not much there yet, but there is plenty of space for contributions!

Also included are the source for the plot and opengl scripts. I'll add to
these on request and when I get time.

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From owner-jsoftware@lists.interlog.com  Sun Dec 20 16:17:23 1998
From: "Bjorn G. Helgason" 
Subject: Jforum: The new addiction
Date: Sun, 20 Dec 1998 21:10:26 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2C5D.63B2DE80"

------ =_NextPart_000_01BE2C5D.63B2DE80

Well wel well.....

They have done it again......

The merry men of ISI have quietly introduced a master game
that will prove to be at least as addictive as Solitaire and
FreeCell.

When I was installing and playing with the Velo I noticed
something I had not seen before amongst the demos. Well I tried
it on the Velo but it was not much fun there because the pieces
are red and green and on the Velo they were identical.

On my PC however this looks great !!!

Problem is that I bet the machine will always come up with the
best move so I guess it will be impossible to win over it. Probably
need to register how many moves it takes for the machine to win.

The best part is that the script is open so you can use it as an example
to create your own extentions or other games using similar techniques.

This may have been the thing that will make J take off just like
Solitaire and FreeCell lifted Windows to the sky.

I can picture using the 8 by 8 board as a startingboard for chessgame.

Well done !!!!!!!!

I urge anyone who is tired of the old games to look at Pousse.
Play it over x-mas.

/Gosi

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From owner-jsoftware@lists.interlog.com  Sun Dec 20 16:42:41 1998
From: Eemcd@aol.com
Date: Sun, 20 Dec 1998 16:31:47 EST
Subject: Re: Jforum: The new addiction
Content-type: text/plain; charset=US-ASCII

It is possible to beat the machine Pousse. Oddly enough, it was easier for me
to beat the 5x5 board than the 4x4. But I didn't beat it often.

Eugene McDonnell

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Mon Dec 21 09:38:22 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: The new addiction
Date: Mon, 21 Dec 1998 14:19:06 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2CED.1C6F9AA0"

------ =_NextPart_000_01BE2CED.1C6F9AA0

From: Eemcd@AOL.COM[SMTP:Eemcd@AOL.COM]
> It is possible to beat the machine Pousse. Oddly enough, it was easier
> for me to beat the 5x5 board than the 4x4. But I didn't beat it often.

I did manage to beat the 4x4 board now. I am sure it will be awhile
before I can beat 8x8

I changed the pousse.ijs script in two ways to make it run straight.
Changed the name to pusl.ijs
As a first line added
0!:0 <'user\pousse\prof.ijs'
prof.ijs is a copy of profile.ijs with one line changed
0!:0 <'user\pousse\boot.ijs'
in boot.ijs I changed one line
NB. configure_jcfg_ 0
and at last in the pusl.ijs changed one line
FIXFONT=: '"ISIJ" 10 default'
and now I can run the shortcut
C:\j402\j.exe /rt user\pousse\pusl.ijs

/Gosi

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From owner-jsoftware@lists.interlog.com  Mon Dec 21 10:37:32 1998
References: <01BE2C5D.63914CC0@geisli-316.centrum.is>
Organization: Voxel
From: "Andrew Nikitin" 
Date: Mon, 21 Dec 1998 16:57:53 +0200 (EET)
Subject: Re: Jforum: The new addiction
Content-Type: multipart/mixed;
    boundary="===========_dMail_ACn7cVsObH_voxel.kharkov.ua===_"

This is a message in MIME format. Your mail reader does not support MIME :(

--===========_dMail_ACn7cVsObH_voxel.kharkov.ua===_

20-Dec-98 21:10 Bjorn G. Helgason wrote:
> This may have been the thing that will make J take off just like
> Solitaire and FreeCell lifted Windows to the sky.

If you like FreeCell, than, maybe, you will found the following game
interesting too.

I learned about it from one of Martin Gardner's books (based on Scientific
American publications). The rules are:

One person makes 7x8 rectangle randomly from full set of domino pieces. Then
he writes resulting picture on a sheet of paper with borders between pieces
cleared and gives it to another player.

Another player makes the same simultaneously.

Player, who restores original configuration first wins.

This script acts as puzzle generator. It also allows to place borders over
filed. Use

create 7

to start it. If standard set of domino pieces seems too difficult (or too
easy), then you may use

create 6

(or create 9)

First line of the script contains phrase that will compile it into j-runtime
script (adjust pathnames).

I will appreciate comments or elegant algorithm (or j realization) of
the random puzzle generator.

> Play it over x-mas.

Happy Christmas.

nsg

--===========_dMail_ACn7cVsObH_voxel.kharkov.ua===_
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From owner-jsoftware@lists.interlog.com  Mon Dec 21 11:59:39 1998
Date: Mon, 21 Dec 1998 11:35:48 -0500
From: Eric Iverson 
Organization: Iverson Software Inc.
Subject: Re: Jforum: The new addiction
References: <01BE2C5D.63914CC0@geisli-316.centrum.is> 

> Andrew Nikitin - domino puzzle

Your domino puzzle looks interesting, but I need some help (as in a help
menu). I discovered that a right mouse button highlights cells with the
same number and that I can draw lines to layout the dominoes by clicking
cell borders.  If I do a complete layout will Ready evaluate it? It
would be nice to have a Solve button that draws the solution as this
would make the goal more obvious. This should be very nice when
finished.

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From owner-jsoftware@lists.interlog.com  Mon Dec 21 17:38:42 1998
Date: Tue, 22 Dec 1998 00:14:23 +0200
From: Anssi  Seppala 
Subject: Jforum: wd in CE
In-Reply-To: <367E78E4.A22@interlog.com>
References: <01BE2C5D.63914CC0@geisli-316.centrum.is>
 
Content-Transfer-Encoding: 8bit

I am now testing to port my J PC-application to WinCE. All went fine until
I got DOMAIN ERROR from a form definition. The form is not a simple one and
it includes tab-control. Because the only message is DOMAIN ERROR it is
rather difficult to find the error.

Can anybody say if in this form below there is something not allowed in CE?
Are there controls no allowed in WinCE? Spinbox?

Thanks,
Anssi

Form definition starts here:
NB. =========================================================
NB.*DLGMAIN n pc dlgmain definition
DLGMAIN=: 0 : 0
pc dlgmain nosize;pn "TYKO";
menupop "Tiedot";
menu restore "&Hae tiedot" "" "Hakee tiedot tiedostoista" "Hakee tiedot
tiedostoista";
menu store "&Talleta tiedot" "" "Tallettaa tiedot tiedostoihin" "Tallettaa
tiedot tiedostoihin";
menu storeres "&Talleta tulokset" "" "Tallettaa tulostiedot tiedostoihin"
"Tallettaa tulostiedot tiedostoihin";
menu storeref "&Vertailuk�yr� tekstiksi" "" "Vertailuk�yr� talletetaan
tesktitiedostoon" "Vertailuk�yr� talletetaan tesktitiedostoon";
menusep ;
menu enermet "&Energia" "" "Energiamittauslukemat" "Energiamittauslukemat";
menu time "&Aika" "" "Aikavy�hykkeet" "Aikavy�hykkeet";
menu specday "Er&ikoisp�iv�t" "" "Erikoisp�iv�t" "Erikoisp�iv�t";
menu tariff "&Tariffi" "" "Tasoitustariffi" "Tasoitustariffii";
menu model "&Mallitiedosto" "" "Mallitiedostot" "Mallitiedostot";
menusep ;
menu exit "&Exit" "" "" "";
menupopz;
menupop "Raportit";
menu viewrules "Aikas��nn�t" "" "Katsele aikas��nt�j�" "Katsele aikas��nt�j�";
menu viewtariffs "Tasoitustariffit" "" "Katsele tasoitustariffeja" "Katsele
tasoitustariffeja";
menusep ;
menu calcsumall "Pitk� yhteenveto" "" "Laskee pitk�n ajan summak�yr�n"
"Laskee pitk�n ajan  summak�yr�n";
menupopz;
menupop "Ohje";
menu helpinfo "&Apua" "" "Ohjeita" "Ohjeita";
menusep ;
menu aboutinfo "About..." "" "Taustaa" "Taustaa";
menupopz;
sbar 1 ;
sbarset newstat 100 "TYKO";
sbarshow;
xywh 113 9 39 11;cc ok button;cn "Hyv�ksy";
xywh 247 114 33 12;cc cancel button;cn "Sulje";
xywh 4 25 198 97;cc tabs1 tab;
xywh 4 9 50 73;cc lpntsel combolist ws_vscroll;
xywh 210 57 39 78;cc daysel combolist ws_vscroll;
xywh 246 91 19 11;cc tempvalue static ws_border;cn "L�mp�tila";
xywh 212 92 19 10;cc tempappl static;cn "L�mp�tilasovellettu";
xywh 265 91 11 11;cc tempmet spinv;
xywh 207 74 72 31;cc ccgroupbox groupbox;cn "L�mp�tila klo 7.00-9.00 /C";
xywh 217 2 62 11;cc sumsellers button;cn "Myyjien vuosienergiat";
xywh 217 13 62 11;cc sumloads button;cn "Myyjien tuntienergiat";
xywh 217 24 62 11;cc sumloadsgr button;cn "Tuntienergiat ryhmitt�in";
xywh 217 35 62 11;cc reconcil button;cn "Tasoituslaskelma";
xywh 54 9 28 11;cc newlp button;cn "Uusi";
xywh 82 9 28 11;cc dellp button;cn "Poista";
xywh 1 0 204 126;cc ccgroupbox groupbox;cn "K�ytt�paikka";
xywh 249 57 28 11;cc caledit button;cn "Kalenteri";
xywh 212 81 25 10;cc ccstatic static;cn "Sovellettu";
xywh 246 81 20 10;cc ccstatic static;cn "Mitattu";
xywh 207 49 72 22;cc ccgroupbox groupbox;cn "K�sittelyp�iv�";
xywh 208 114 35 12;cc helpinfodlg button;cn "Apua";
pas 6 6;pcenter;
rem form end;
)

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From owner-jsoftware@lists.interlog.com  Mon Dec 21 18:44:08 1998
Date: Mon, 21 Dec 1998 18:29:00 -0500
From: Eric Iverson 
Organization: Iverson Software Inc.
Subject: Re: Jforum: wd in CE
References: <01BE2C5D.63914CC0@geisli-316.centrum.is>
	  <4.1.19981221235143.00afc7c0@pop.kolumbus.fi>

>Anssi Seppala wrote:
>
> I am now testing to port my J PC-application to WinCE. All went fine until
> I got DOMAIN ERROR from a form definition. The form is not a simple one and
> it includes tab-control. Because the only message is DOMAIN ERROR it is
> rather difficult to find the error.

On any wd domain error you can get additional information by doing
wd'qer'.

Wince doesn't support a number of the newer, more complicated controls.
It doesn't support toolbar, statusbar, tab, or ocx controls. I'm not
sure about spinv, you'll have to test that. Wince doesn't paint a
groupbox properly (it obscures other controls) and you have place it in
the form definition after the controls it 'contains'.

With a form as complicated as your example you probably also have a
problem with size, and will probably have to organize things a bit
differently. The biggest problem is probably the lack of tab. Although
it doesn't look as nice, you can get the benefit of a tab organization
simply by using a serious of buttons.

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From owner-jsoftware@lists.interlog.com  Tue Dec 22 17:10:14 1998
Date: Tue, 22 Dec 1998 23:37:50 +0200
From: Anssi  Seppala 
Subject: Re: Jforum: wd in CE
In-Reply-To: <367ED9BC.DF9@interlog.com>
References: <01BE2C5D.63914CC0@geisli-316.centrum.is>
 
 <4.1.19981221235143.00afc7c0@pop.kolumbus.fi>
Content-Transfer-Encoding: 8bit

OK. I have been using tabs, which means that WinCE forms will be different
while they are done without tab. The difficulty is the case where the
number of tabs is varying according to the data. Such selections must be
done using lisbox in CE.

I purchased an almost new HP620 and try now to figure how the WinCE
application is similar or different to Win application. The qui is really
limited in many ways, but  on the other hand the pointing with the pen on
the screen is very handy.

Now I have realised that the port form NT to CE is not a straightforward
process. If I want to support both platforms, I must have two gui designs.
The computation itself seems to run well.

Anssi

PS  wd 'qer'  does not tell much here. It says: "command not supported :
1317" What is the number 1317?

At 18:29 21.12.1998 -0500, you wrote:
>On any wd domain error you can get additional information by doing
>wd'qer'.

-------------------------------------------------------------------
Anssi Sepp�l�
Konsultti, s�hk�markkinat ja s�hk�njakelu: Sovellukset ja ohjelmistot

e-mail: anssi.seppala@enease.fi	tel: +358 9 45400550
Enease Oy				fax: +358 9 45400551
Mannerheimintie 66 A			mob: +358 400 760077
FIN - 00260  HELSINKI, Finland	http://www.kolumbus.fi/enease/

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 00:55:23 1998
Date: Tue, 22 Dec 1998 23:44:18 -0600
From: Peter Nichols 
Subject: Jforum: Replacing characters

What's a good way to convert spaces to commas in a string?  I'm trying
to set the selection in a listbox and it seems that if you have multiple
selections they must be comma delimitted.

I have
  '1 3 5'
I want
  '1,3,5'

Thanks.

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 01:55:59 1998
From: Eemcd@aol.com
Date: Wed, 23 Dec 1998 01:41:07 EST
Subject: Re: Jforum: Replacing characters
Content-type: text/plain; charset=US-ASCII

Peter Nichols:

One straightforward way to replace spaces by commas is to locate the positions
of the spaces, and use these indices to amend the original. Here I show the
steps:
   q=:'1 2 3' NB. original
   r=:','     NB. replacement
   w=:(q=' ')#i.#q  NB. find indices of spaces
   w          NB. the indices
1 3
   e=:r w } q  NB. replacement, indices, amend (}), original
   e
1,2,3

These can be put altogether like this:

   ','((q=' ')#i.#q)}q
1,2,3

A verb cfs to replace spaces by commas could be defined by:

cfs=: define monad
',' ((y.=' ')#i.#y.)}y.'
)

   cfs q
1,2,3

Eugene McDonnell
Palo Alto

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 04:44:36 1998
References: <367E78E4.A22@interlog.com>
Organization: Voxel
From: "Andrew Nikitin" 
Date: Tue, 22 Dec 1998 11:48:17 +0200 (EET)
Subject: Re: Jforum: The new addiction

21-Dec-98 11:35 Eric Iverson wrote:
> If I do a complete layout will Ready evaluate it?

Ready button must check that your solution is correct. Currently it checks
only for outline, not bothering itself with actual pieces usage. This means
that it still allows solutions, that use the same domino unit more than once.

> would be nice to have a Solve button that draws the solution as this
> would make the goal more obvious.

Thank you for idea. Solve button will really help.

nsg

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 04:48:17 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: The new addiction
Date: Wed, 23 Dec 1998 09:40:56 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2E58.86387800"

------ =_NextPart_000_01BE2E58.86387800

Given that I have the following position on a 4x4 board

    T1 T2 T3 T4
L1 R  R  G
L2 G  G      R
L3 R      G  G
L4 R  R  G  G

If R now does L2 then obviously it will push the G into forming a four
in a column (T3). The R also form a column (T1).
What happens is that G also makes a move at random and declares G
the winner because it has ruined the red column one way or the other.

I guess when R does L2 and pushes G into the column it is a win for G.

So I have question:

Should the game continue and G make one more move to ruin
the four Rs after the win or just stop and declare itself the winner ?

It was a bit confusing a first but the undo helps to set the record straight.

/Gosi

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 04:49:07 1998
Date: Wed, 23 Dec 1998 09:37:22 +0100
From: "david alis" 
Subject: Re: Jforum: Replacing characters
References: <36808332.687@airmail.net>

It all depends on  what you mean by good...
If good means being forced to think, then the expression
   ( ' ' i. x) } ',',:x=.'1 3 5'
probably qualifies because of its use of the  } item-amend adverb.
A verb derived from the expression might look like this:
   sp2comma=.  3  :  '( '' '' i. y.) } '','',:y.'

If good means 'has wide applicability', 'easy to maintain', 'easy to understand'
then utility rplc in the '..\system\main\string.ijs' would be a good candidate::
require'strings'
'1 3 5' rplc' ';','

Question: does anyone have advice on how to convert to tacit form expressions that
use the } adverb; either as 'item-amend' or as 'amend' , ?

David

Peter Nichols wrote:

> What's a good way to convert spaces to commas in a string?  I'm trying
> to set the selection in a listbox and it seems that if you have multiple
> selections they must be comma delimitted.
>
> I have
>   '1 3 5'
> I want
>   '1,3,5'
>
> Thanks.
>
> --------------------------------------------------------------------------------
> J Forum: for information about this list, see http://www.jsoftware.com/forum.htm

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 04:59:47 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: Replacing characters
Date: Wed, 23 Dec 1998 08:37:55 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2E51.37CC09E0"

------ =_NextPart_000_01BE2E51.37CC09E0

From: Eemcd@aol.com[SMTP:Eemcd@aol.com]
> A verb cfs to replace spaces by commas could be defined by:
> cfs=: define monad
> ',' ((y.=' ')#i.#y.)}y.'
> )

Let me first say that your explanation in your message is excelent.
There is however a tiny mistyping here at the end of the message.

cfs=: monad define
',' ((y.=' ')#i.#y.)}y.
)

It is actually very easy to copy and paste from an ijs script rather
than typing in the text by hand :)

/Gosi

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 05:36:50 1998
From: "Chris Burke" 
Subject: Re: Jforum: Replacing characters
Date: Wed, 23 Dec 1998 05:25:13 -0500
	charset="iso-8859-1"

>What's a good way to convert spaces to commas in a string?

In general, use rplc or charsub from strings.ijs to do search and replace.

If all you want is a single character replace, try:

   f=. ','&((# i.@#)@(e.&' ')@]})
   f '1 2 3'
1,2,3

A tacit generator for this is:

   subs=. [. & ((((e.&) ((# i.@#)@)) (@])) })

   'X' subs 'Y' 'XYZ'
XXZ

>to set the selection in a listbox and it seems that if you have multiple
>selections they must be comma delimitted.

They do not have to be comma delimited, in fact a comma is not a valid
delimiter for wd while a blank is! Try setting the listbox to your example
'1 2 3' and you will find that each number is in its own row. Use '1,2,3'
and you get a single row.

A discussion of wd parameters is in the start of help section:  Help|wd
Commands|overview|wd commands.

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 05:48:12 1998
From: M.Day@fscii.maff.gov.uk
               Wed, 23 Dec 1998 09:13:35 +0000
               Wed, 23 Dec 1998 09:32:50 +0000
               Wed, 23 Dec 1998 09:32:55 +0000
Date: Wed, 23 Dec 1998 09:32:55 +0000
Content-Identifier: m1211223093222aa
Alternate-Recipient: Allowed
In-Reply-To: <3680ABC1.C6BB58FB@balcab.ch>
Subject: Re: Jforum: Replacing characters

David Alis wrote:
>Question: does anyone have advice on how to convert to tacit form expressions that
>use the } adverb; either as 'item-amend' or as 'amend' , ?

Given this explicit form
   whereb =: ' '&= # i.@#    NB. tacit verb to locate blanks
   btoc =: monad define      NB. explicit verb
',' (whereb y.) } y.'
)

   whereb s =: '1 2 3'
1 3
   btoc s
1,3,5

This is ok,  but the only tacit form that I've found for this
is horrendous:
   ','&( [ ` (whereb@]) ` ] }"1 )  s
1,3,5

or,  expressed completely in primitives:
   ','&( [ ` ((' '&= # i.@#)@]) ` ] }"1 ) s
1,3,5

Perhaps best to stick to explicit versions!
Mike Day

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 05:53:44 1998
From: "Chris Burke" 
Subject: Jforum: J402 for Unix
Date: Wed, 23 Dec 1998 05:44:56 -0500
	charset="iso-8859-1"

J402 for Unix platforms is now available from www.jsoftware.com

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 07:37:56 1998
Date: Fri, 04 Dec 1998 13:27:21 +0200
From: Leo =?iso-8859-1?Q?V=F5handu?= 
Subject: Re: Jforum: Replacing characters
In-Reply-To: <002201be2e5e$aefa5f00$0f0114d1@xps200>
Content-Transfer-Encoding: 8bit
X-MIME-Autoconverted: from quoted-printable to 8bit by lists.interlog.com id HAA06675

First you have to make all blanks single with deb- utility otherwise you
get wrong results. People are never able to type single b�anks!

At 05:25 23.12.98 -0500, Chris Burke wrote:
>>What's a good way to convert spaces to commas in a string?
>
>In general, use rplc or charsub from strings.ijs to do search and replace.
>
>If all you want is a single character replace, try:
>
>   f=. ','&((# i.@#)@(e.&' ')@]})
>   f '1 2 3'
>1,2,3
>
>A tacit generator for this is:
>
>   subs=. [. & ((((e.&) ((# i.@#)@)) (@])) })
>
>   'X' subs 'Y' 'XYZ'
>XXZ
>
>>to set the selection in a listbox and it seems that if you have multiple
>>selections they must be comma delimitted.
>
>
>They do not have to be comma delimited, in fact a comma is not a valid
>delimiter for wd while a blank is! Try setting the listbox to your example
>'1 2 3' and you will find that each number is in its own row. Use '1,2,3'
>and you get a single row.
>
>A discussion of wd parameters is in the start of help section:  Help|wd
>Commands|overview|wd commands.
>
>
>
>---------------------------------------------------------------------------
-----
>J Forum: for information about this list, see
http://www.jsoftware.com/forum.htm
>
>

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 09:10:36 1998
Date: Wed, 23 Dec 1998 14:51:09 +0100 (MET)
From: Martin Neitzel 
Subject: Re: Jforum: Replacing characters

First and foremost, I'd use a library function whenever there is one
available to do the job.  In this case "charsub" from the "strings"
library, as Chris has already pointed out.

BTW, there's another approach to solve the replacement problem:

	]`(','"_) @. (' '&="0)

This is actually scalar thinking but I think it expresses the mapping
quite neatly.  (I'm not very good at handling indexing, either.)

							Martin

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 11:10:10 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: Replacing characters
Date: Wed, 23 Dec 1998 15:57:47 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2E8D.3E5B7480"

------ =_NextPart_000_01BE2E8D.3E5B7480

From: Eemcd@aol.com[SMTP:Eemcd@aol.com]
>    q=:'1 2 3' NB. original
>    r=:','     NB. replacement
>    w=:(q=' ')#i.#q  NB. find indices of spaces
>   e=:r w } q  NB. replacement, indices, amend (}), original

In order to make this more transparent to a new user why not just take
your example as is:

ReplaceChar=: monad define
    q=: y. NB. original
    r=:','     NB. replacement
    w=:(q=' ')#i.#q  NB. find indices of spaces
    e=:r w } q  NB. replacement, indices, amend (}), original
)

ReplaceChar '1 2 3'
1,2,3

It is easy to make it complicated in many different ways one obvious
extension is to introduce try catch and then possibly test for char
maek it into a dyad and so on.

ReplaceChar=: monad define
    q=: y. NB. original
    r=:','     NB. replacement

	try.
    w=:(q=' ')#i.#q  NB. find indices of spaces
    e=:r w } q  NB. replacement, indices, amend (}), original

	catch. 'something was wrong here'
	end.
)

ReplaceChar '1 2 3'
1,2,3

ReplaceChar 1 2 3
something was wrong here

Introducing something that looks like LISP (Lots of Idiotic Silly Paranthesis)
may scare newcomers off even if it looks very interesting.
   subs=. [. & ((((e.&) ((# i.@#)@)) (@])) })
It certainly looks interesting to look at subs on its own in J.

/Gosi

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 11:14:10 1998
From: "Roger Hui" 
Subject: Jforum: Re: Replacing characters
Date: Wed, 23 Dec 1998 07:40:33 -0500
	charset="iso-8859-1"

Peter Nichols writes on Wednesday, December 23:

>What's a good way to convert spaces to commas in a string?  I'm trying
>to set the selection in a listbox and it seems that if you have multiple
>selections they must be comma delimitted.
>
>I have
>  '1 3 5'
>I want
>  '1,3,5'

There is a phrase ("idiom") to replace single characters by corresponding
single characters, viz.:

   f =: (' ',a.)&i. { (',',a.)"_
   f 'Cogito, ergo sum.'
Cogito,,ergo,sum.

The problems of translating to lower/upper case are of this pattern:

   A =: a.{~65+i.26
   a =: a.{~97+i.26
   lc=: (A,a.)&i. { (a,a.)"_
   uc=: (a,a.)&i. { (A,a.)"_

   lc 'Cogito, ergo sum.'
cogito, ergo sum.
   uc 'Cogito, ergo sum.'
COGITO, ERGO SUM.

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 11:22:43 1998
From: "Roger Hui" 
Subject: Jforum: Re: The new addiction
Date: Wed, 23 Dec 1998 07:56:14 -0500
	charset="iso-8859-1"

Bjorn Helgason writes on Wednesday, December 23:

>Given that I have the following position on a 4x4 board
>
>    T1 T2 T3 T4
>L1 R  R  G
>L2 G  G      R
>L3 R      G  G
>L4 R  R  G  G
>
>If R now does L2 then obviously it will push the G into forming a four
>in a column (T3). The R also form a column (T1).
>What happens is that G also makes a move at random and declares G
>the winner because it has ruined the red column one way or the other.
>
>I guess when R does L2 and pushes G into the column it is a win for G.
>
>So I have question:
>
>Should the game continue and G make one more move to ruin
>the four Rs after the win or just stop and declare itself the winner ?
>
>It was a bit confusing a first but the undo helps to set the record
straight.

This situation is unambiguously covered by a careful reading of the rules.
The winner is the player who as a _surplus_ of straights.When column 1
is all R and column 3 is all G (and there are no other straights), there is
not yet a winner. Player G then makes a move that wrecks column 1 but
leaves column 3 still all G, and at that point it becomes the winner.

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 12:49:06 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: Re: The new addiction
Date: Wed, 23 Dec 1998 17:36:49 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2E9B.20166620"

------ =_NextPart_000_01BE2E9B.20166620

From: Roger Hui[SMTP:RHui@interlog.com]
> The winner is the player who as a _surplus_ of straights.When column 1
> is all R and column 3 is all G (and there are no other straights), there is
> not yet a winner. Player G then makes a move that wrecks column 1 but
> leaves column 3 still all G, and at that point it becomes the winner.

Ahh...

That was the reason !!!
As usual I did NOT read the manual correctly.

Thanks !!!

This game is actually quite good.

First time I have something in J which both myself and my daughter
find equally interesting !!! I am going to introduce it to my mother
when she comes back from Florida mid january. She is a FreeCell addict.

/Gosi

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 14:45:52 1998
Date: Wed, 23 Dec 1998 21:21:16 +0200 (EET)
From: Oleg Kobchenko 
Subject: Jforum: RE: Right click menu
In-Reply-To: <01BE2E9B.200D3E60@geisli-338.centrum.is>
Content-Type: MULTIPART/MIXED; BOUNDARY="2093029708-1604507937-914440876=:5318"

  This message is in MIME format.  The first part should be readable text,
  while the remaining parts are likely unreadable without MIME-aware tools.
  Send mail to mime@docserver.cac.washington.edu for more info.

--2093029708-1604507937-914440876=:5318

NB. menu - Win32api popup menu  v0.02 23-Dec-98
NB.
NB. SYNOPSIS:
NB.   id=. ('|one||two|three')mnuPopup 100 100
NB.
NB.   fun1`fun2`fun3`error@.]('!one!two!three')mnuPopup 100 100
NB.
NB.   id=. '|&one|&two|t&hree'mnuPopup 5 52+2{.".wd'qformx'
NB.
NB. INSTAL: copy to user\winapi\menu.ijs
NB.         add ``menu user\winapi\menu winapi''
NB.           into SYSTEM\EXTRAS\CONFIG\scripts.ijs
NB. USE:    load'menu'
NB. HELP:   scriptdoc'menu'
NB.
NB. SEE ALSO:
NB.   wd commands for menu, menupop, menupopz, menusep
NB.
NB. NOTE: implemented in accordance with J winapi practices
NB. AUTHOR: Oleg Kobchenko 

-----------------------------------------------------
Date: Thu, 19 Nov 1998 08:43:07 -0500
From: Alain Miville de Chene 
Subject: Jforum: Right click menu

Something I sorely miss in J: a menu appearing after a
right-click on an isigraph. We must be the only ones in the
Windows world who use a language that can't provide this basic
facility.

--2093029708-1604507937-914440876=:5318
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--2093029708-1604507937-914440876=:5318--

--------------------------------------------------------------------------------
J Forum: for information about this list, see http://www.jsoftware.com/forum.htm

From owner-jsoftware@lists.interlog.com  Wed Dec 23 14:52:02 1998
Date: Wed, 23 Dec 1998 21:26:36 +0200 (EET)
From: Oleg Kobchenko 
Subject: Jforum: Object Browsers
In-Reply-To: <01BE2E9B.200D3E60@geisli-338.centrum.is>
Content-Type: MULTIPART/MIXED; BOUNDARY="2093029708-451991393-914441196=:5318"

  This message is in MIME format.  The first part should be readable text,
  while the remaining parts are likely unreadable without MIME-aware tools.
  Send mail to mime@docserver.cac.washington.edu for more info.

--2093029708-451991393-914441196=:5318

NB. obs - Object Browser Simple v0.03 20-Dec-98
NB.
NB. SYNOPSIS:
NB.   load'obs'
NB.   obs''
NB.
NB. INSTALL:
NB.   copy to user\ob\obs.ijs
NB.   add line 'obs user\ob\obs ob'
NB.   to 'SYSTEM\EXTRAS\CONFIG\scripts.ijs'

And this one will require a patch to J4.02a that
enables oleset for indexed properties.

NB. obl - Object Browser with ListView v0.04 22-Dec-98
NB.
NB. SYNOPSIS:
NB.   load'obl'
NB.   obl''
NB.
NB. INSTALL:
NB.   copy to user\ob\obl.ijs
NB.   add line 'obl user\ob\obl ob'
NB.   to 'SYSTEM\EXTRAS\CONFIG\scripts.ijs'

--2093029708-451991393-914441196=:5318
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--2093029708-451991393-914441196=:5318--

--------------------------------------------------------------------------------
J Forum: for information about this list, see http://www.jsoftware.com/forum.htm

From owner-jsoftware@lists.interlog.com  Wed Dec 23 15:16:34 1998
From: "David Vincent-Jones" 
Date: Wed, 23 Dec 1998 20:57:19 +0100
Content-type: text/plain; charset=US-ASCII
Subject: Jforum: More with Replace

I frequently use Replace with very large table where I need to
increment single values.
Data sets can be v e r y  large.
This operation is done randomly over the data set and can be
repeated just a few times or thousands of times for each atom.

On small tables I have used:
t=.(>:(
Subject: RE: Jforum: More with Replace
Date: Wed, 23 Dec 1998 22:46:38 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2EC6.449880C0"

------ =_NextPart_000_01BE2EC6.449880C0

From: David Vincent-Jones[SMTP:geomap@galaxynet.com]
> My solution at this juncture has been through file read/write

Have you looked at Mapped Files ?
I would hazard a guess you can find a solution there.
You scan the file as if it were a noun and do the replace
straight without need to do read/write.

/Gosi

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 18:59:03 1998
Date: Wed, 23 Dec 1998 18:46:39 -0500
From: Alain Miville de Ch�ne 
Subject: Jforum: RE: Right click menu
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
X-MIME-Autoconverted: from quoted-printable to 8bit by lists.interlog.com id SAA08211

Thanks Oleg for the nice Christmas present. It works. Now I will study it.

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 19:48:22 1998
Date: Wed, 23 Dec 1998 16:37:02 -0800
From: gordon@island.net (Ken Ian Gordon)
Subject: Re: Jforum: More with Replace

>I frequently use Replace with very large table where I need to
>increment single values.
>Data sets can be v e r y  large.
>This operation is done randomly over the data set and can be
>repeated just a few times or thousands of times for each atom.
>
>On small tables I have used:
>t=.(>:(but the memory usage is prohibitave as the set grows.
>
>My solution at this juncture has been through file read/write
>Are there any better ideas out there.
>
>David V-J
>
>from David Vincent-Jones in Soglio
>Reply through geomap@galaxynet.com

In Dyalog APL there was an interesting extension to indexed assignment which
I miss in J.  [think of <- as a single left assignment arrow in hte stuff
below.]

then for

        R <- X[I]f <- Y

f may be any dyadic function which returns an explicit result.  Y may be an
array whose items are appropriate to function f.  X must be the name of an
existing array.  I must be a valid index specification.  The items of the
indexed portion of X must be appropriate to function f.  R is a pass
throough value, that is the value of Y. ...

The result of the derived function is to reset the indexed elements of X,
that is X[I] to the result of X[I]fY

Note that the potentially large array X is not transfered.

Ex:
        A
1 2 3 4 5

        A[2 4]+ <- 1
1
        A
1 3 3 5 5

If an index is repeated, function f will be applied to the successive values
of the indexed elements of X, taking the index occurrence in left to right
order.

Ex:
        B <- 5 rho 0
        B[2 4 1 2 1 4 2 4 1 3]+ <- 1
        B
3 3 1 3 0

Which looks like what you want.  Now note that the final result is like the
nubcount of the indices.

In J, Converting the matrix indexes to a vector index and using nubcount on
the resulting coordinates gives the number of times each location is to be
incremented.  One then adds the result to the coresponding locations in the
matrix.  With J it still results in the whole data being replicated, but
only once instead of shuffling all the data on each update.

Otherwise ask for the modified assignment operator a la Dyalog APL to be
somehow added to J

kig

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From owner-jsoftware@lists.interlog.com  Wed Dec 23 22:18:18 1998
Date: Wed, 23 Dec 1998 21:57:33 -0500
From: Eric Iverson 
Organization: Iverson Software Inc.
Subject: Re: Jforum: wd in CE
References: <01BE2C5D.63914CC0@geisli-316.centrum.is>
	 
	 <4.1.19981221235143.00afc7c0@pop.kolumbus.fi> <4.1.19981222232437.00b00ef0@pop.kolumbus.fi>

>Anssi
> wd 'qer'  does not tell much here. It says: "command not supported : 1317" What >is the number 1317?

wd'qer' returns error information for any wd domain error. There is a
text error message followed by an index into the wd argument. In your
case the 1317 is probably the index of a toolbar or statusbar command.

This is documented in Help|wd commands|Overview|wd commands.

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From owner-jsoftware@lists.interlog.com  Thu Dec 24 01:20:54 1998
Date: Thu, 24 Dec 1998 00:09:03 -0600
From: Peter Nichols 
Subject: Jforum: Borderless Windows & Invisible Controls

How do I create a form that has no border?  And is there a way to make a
control invisible and visible?  Thanks.

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From owner-jsoftware@lists.interlog.com  Thu Dec 24 01:43:53 1998
From: "=?iso-8859-1?Q?Leo_V=F5handu?=" 
Subject: Re: Jforum: Re: Replacing characters
Date: Tue, 24 Nov 1998 08:29:09 +0200
	charset="iso-8859-1"

Before you can replace  blanks with commas you must ake them to be singles
otherwise you get afterwards errors in data. So use deb-utility first.
-----Original Message-----
From: Roger Hui 
Date: 23. detsember 1998. a. 18:17
Subject: Jforum: Re: Replacing characters

>Peter Nichols writes on Wednesday, December 23:
>
>>What's a good way to convert spaces to commas in a string?  I'm trying
>>to set the selection in a listbox and it seems that if you have multiple
>>selections they must be comma delimitted.
>>
>>I have
>>  '1 3 5'
>>I want
>>  '1,3,5'
>
>
>There is a phrase ("idiom") to replace single characters by corresponding
>single characters, viz.:
>
>   f =: (' ',a.)&i. { (',',a.)"_
>   f 'Cogito, ergo sum.'
>Cogito,,ergo,sum.
>
>The problems of translating to lower/upper case are of this pattern:
>
>   A =: a.{~65+i.26
>   a =: a.{~97+i.26
>   lc=: (A,a.)&i. { (a,a.)"_
>   uc=: (a,a.)&i. { (A,a.)"_
>
>   lc 'Cogito, ergo sum.'
>cogito, ergo sum.
>   uc 'Cogito, ergo sum.'
>COGITO, ERGO SUM.
>
>
>
>---------------------------------------------------------------------------
-----
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http://www.jsoftware.com/forum.htm
>

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From owner-jsoftware@lists.interlog.com  Thu Dec 24 05:10:49 1998
From: "Simon Garland" 
Subject: Jforum: replacing blanks with comma
Date: Thu, 24 Dec 1998 10:52:26 +0100
	charset="iso-8859-1"

if the strings are words then you can use ;: which will also take care of
multiple+leading+trailing blanks

something like:

blanksToCommas=. [: }. [: ; [: (','"_ , ])&.> [: ;: ]

which tokenizes it, stuffs a comma on the front of each token, razes it,
then drops the leading ','

this won't work with numbers, or symbols:

   blanksToCommas 'cogito ergo sum'
cogito,ergo,sum

   blanksToCommas 'cogito ergo +/'
cogito,ergo,+,/

   blanksToCommas 'cogito,ergo,sum'
cogito,,,ergo,,,sum

/Simon

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From owner-jsoftware@lists.interlog.com  Thu Dec 24 06:41:35 1998
From: "Chris Burke" 
Subject: Re: Jforum: Borderless Windows & Invisible Controls
Date: Thu, 24 Dec 1998 06:28:10 -0500
	charset="iso-8859-1"

Peter Nichols writes:
>How do I create a form that has no border?  And is there a way to make a
>control invisible and visible?  Thanks.

You cannot create a form with no border.

Use the wd "setshow"  command to make a control invisible and visible.

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From owner-jsoftware@lists.interlog.com  Thu Dec 24 10:33:02 1998
From: "Bjorn G. Helgason" 
Subject: Jforum: Jola og nyarskvedjur
Date: Thu, 24 Dec 1998 15:05:14 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2F51.ABE32880"

------ =_NextPart_000_01BE2F51.ABE32880

Gledileg jol og farsaelt komandi ar oska eg ykkur ollum med thokkum
fyrir anaegjuleg samskipti a arinu sem er ad lida.

/Gosi

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From owner-jsoftware@lists.interlog.com  Thu Dec 24 10:53:59 1998
From: "Roger Hui" 
Subject: Jforum: Re: Replacing characters
Date: Thu, 24 Dec 1998 07:36:57 -0500
	charset="iso-8859-1"
Content-Transfer-Encoding: 8bit

Leo V�handu writes on Thursday, December 24:

>Before you can replace  blanks with commas you must ake them to be singles
>otherwise you get afterwards errors in data. So use deb-utility first.

Well, that wasn't what was asked; the question was just to replace blanks
by commas.  Anyway, it's easy enough to replace multiple blanks by singles.
Thus:

   f=: -.@('  '&E.) # ]
   '*',(f '  sesqui  ped  al ian   '),'*'
* sesqui ped al ian *

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From owner-jsoftware@lists.interlog.com  Thu Dec 24 12:10:14 1998
References: 
Organization: Voxel
From: "Andrew Nikitin" 
Date: Thu, 24 Dec 1998 13:21:35 +0200 (EET)
Subject: Re: Jforum: RE: Right click menu
Content-Transfer-Encoding: 8bit

23-Dec-98 21:21 Oleg Kobchenko wrote:
>
> NB. INSTAL: copy to user\winapi\menu.ijs
> NB.         add ``menu user\winapi\menu winapi''
> NB.           into SYSTEM\EXTRAS\CONFIG\scripts.ijs
> NB. USE:    load'menu'
> NB. HELP:   scriptdoc'menu'

����� ������ ����������� ��������� ��� ����� �� ������ � user\winapi
� �������� � winapi locale?

� ������, �����. � ��� ����������� �� ������ MENU �� ����������, ������?

nsg

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From owner-jsoftware@lists.interlog.com  Thu Dec 24 13:12:47 1998
Date: Thu, 24 Dec 1998 20:02:18 +0200 (EET)
From: Oleg Kobchenko 
Subject: Re: Jforum: RE: Right click menu
In-Reply-To: 
Content-Transfer-Encoding: 8BIT

Andrew forgot that not all yet have learnt Russian.

On Thu, 24 Dec 1998, Andrew Nikitin wrote:

> 23-Dec-98 21:21 Oleg Kobchenko wrote:
> >
> > NB. INSTAL: copy to user\winapi\menu.ijs
> > NB.         add ``menu user\winapi\menu winapi''
> > NB.           into SYSTEM\EXTRAS\CONFIG\scripts.ijs
> > NB. USE:    load'menu'
> > NB. HELP:   scriptdoc'menu'
>
> ����� ������ ����������� ��������� ��� ����� �� ������ � user\winapi
> � �������� � winapi locale?

You are asking if `clipbrd' should also be adjusted to go
into `user\winapi'. I agree, as well as for any other win32
cover modules.

The other issue is convention for locale for these modelues.
I would suggest using xxx_winapi_ for all the guts, and export
the operating verbs to 'z' xxx_z_=: xxx_winapi_, like it is done
for all `design-time' stuff, like load, scripts, etc.

> � ������, �����. � ��� ����������� �� ������ MENU �� ����������, ������?

As for how to use the `shotcut menu' button from J, it is not
being detected by the wdhandler. However, invocation of shortcut
menu can be assigned to some other key.

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From owner-jsoftware@lists.interlog.com  Thu Dec 24 13:13:45 1998
Date: Thu, 24 Dec 1998 20:05:37 +0200 (EET)
From: Oleg Kobchenko 
Subject: Jforum: Merry Christmas to all!
In-Reply-To: 

(, {.) (,~ |.)"1 ({."0 _~ >:@i.@#) |. 'MERRY CHRISTMAS!'
               !!
              S!!S
             AS!!SA
            MAS!!SAM
           TMAS!!SAMT
          STMAS!!SAMTS
         ISTMAS!!SAMTSI
        RISTMAS!!SAMTSIR
       HRISTMAS!!SAMTSIRH
      CHRISTMAS!!SAMTSIRHC
      CHRISTMAS!!SAMTSIRHC
    Y CHRISTMAS!!SAMTSIRHC Y
   RY CHRISTMAS!!SAMTSIRHC YR
  RRY CHRISTMAS!!SAMTSIRHC YRR
 ERRY CHRISTMAS!!SAMTSIRHC YRRE
MERRY CHRISTMAS!!SAMTSIRHC YRREM
               !!

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From owner-jsoftware@lists.interlog.com  Thu Dec 24 15:41:10 1998
Date: Thu, 24 Dec 1998 22:31:15 +0200 (EET)
From: Oleg Kobchenko 
Subject: Re: Jforum: Merry Christmas to all!
In-Reply-To: 

This is a nice quotation from Dvorak's 'What happened to ...
APL?'. What comes to my mind is the introduction of DLL/OCX
API in J, as well as the OOP, etc.

It is an alert to be very careful about it.

--->

...you actually had to know the APIs. This put most programming
into the hands of professionals, who began to use Pascal, then
C, and now C++. Visual Basic also entered the picture, and it
was a complete departure from traditional Basic.

APL was a small player during this changeover and pretty much
got shoved aside completely, which was probably good for the
language. Unlike Basic, which was steamrollered with no
following left, APL went underground and stayed there, where it
still exists. Go to a good search site on the Web and look up
APL, and you'll find thousands of sites supporting it. Try
finding the same number supporting, say, Northstar Basic or
MS-Basic. There are few, if any.

<---

http://www.zdnet.com/computershopper/edit/cshopper/content/9810/346595.html

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From owner-jsoftware@lists.interlog.com  Fri Dec 25 06:10:05 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: J402 for Unix
Date: Fri, 25 Dec 1998 11:01:39 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE2FF6.246AEC80"

------ =_NextPart_000_01BE2FF6.246AEC80

From: Chris Burke[SMTP:cdburke@interlog.com]
> J402 for Unix platforms is now available from www.jsoftware.com

I downloaded the Linux version twice now and I only get 502K instead
of 513K as it says I should be receiving (compressed tar).

Trying tar on it tells me it is not a tar file.

Am i doing something wrong ?

I have tried tar -xpf j402alin.tgz
tar -xpfZ j402alin.tgz
zcat, uncompress and nothing works. I have on earlier versions used
NT to unzip the files but I was going to do this in Linux this time
around all the way.

/Gosi

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From owner-jsoftware@lists.interlog.com  Fri Dec 25 11:01:10 1998
Date: Fri, 25 Dec 1998 16:53:27 +0100 (MET)
From: Martin Neitzel 
Subject: RE: Jforum: J402 for Unix

> > J402 for Unix platforms is now available from www.jsoftware.com
>
> I downloaded the Linux version twice now and I only get 502K instead
> of 513K as it says I should be receiving (compressed tar).

Well, the exact size is 513221 bytes which translates into 501.2 Kb.

> Trying tar on it tells me it is not a tar file.

Use file(1) if you are unsecure about the nature of a file:

juggle 3 > file www.jsoftware.com/download/j402a-Linux.tgz
www.jsoftware.com/download/j402a-Linux.tgz: gzip compressed data - deflate
method , last modified: Wed Dec 16 04:24:39 1998 os: Unix

These are the sum(1) checksums on the Unix packages:

download 8 > sum j402a*tgz
25754   599 j402a-AIX.tgz
14123   803 j402a-FreeBSD.tgz
26740   456 j402a-Linux-Debian.tgz
07747   502 j402a-Linux.tgz
14770   460 j402a-NetBSD.tgz
03898  1006 j402a-SunOS.tgz

Verify your downloaded copy against this.

> Am i doing something wrong ?
> I have tried tar -xpf j402alin.tgz
> tar -xpfZ j402alin.tgz
> zcat, uncompress and nothing works.

"tar -xvzf j402alin.tgz" is what you want.
The package overview at http://juggle.gaertner.de/ contains this
instruction.  Please read this.  You'd also be well advised to
study the meaning of the z Z p t v options in the "tar --help | more"
output and/or the "info" documentation of the GNU tar used on all Linuxes.
The file suffix ".tgz" is a msdos-archivable concoction of the longer
and more explicit ".tar.gz" suffix list, meaning somebody created an
archive using tar and compressed that afterwards with gzip == GNU zip.
This is not the same as the much older compression algorithm employed
by compress(1) and zcat(1) of BSD-Unix heritage.  The odds are a million
to one, however, that the zcat on a Linux system groks both the traditional
(I am reluctant to say "historic") "compress" and the "gzip" formats.
Confusing, I know.  (In case you ever run across a ".Z" suffix: _that_ is
the old compress(1) format.)

> I have on earlier versions used
> NT to unzip the files but I was going to do this in Linux this time
> around all the way.

This is basically what you should do.  Bringing yet another step into
the game raises the chances for an error drastically if you are not
very careful with all the options out there.  For example, you could
end up with mangled line endings or filenames with incorrect case.
Unpack the kits on Linux and you'll be fine with the least hassles.

							Martin

PS: What really _does_ qualify as "historic" are "pack" and "unpack"
from Unix-SysIII (probably even earlier).  So please take my last
sentence with a grain of salt ;-)

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Fri Dec 25 14:51:41 1998
Date: Fri, 25 Dec 1998 14:34:45 -0500
From: William Kindree 
Organization: Interlog Internet Services
Subject: Re: Jforum: Replacing characters
References: <36808332.687@airmail.net>

> What's a good way to convert spaces to commas in a string?

if
	x =. '1 3 5'
then
	((' ' , x) i. x) { ',' , x

gives you the answer you want.

--------------------------------------------------------------------------------
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From owner-jsoftware@lists.interlog.com  Sat Dec 26 06:20:54 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: J402 for Unix
Date: Sat, 26 Dec 1998 11:13:10 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE30C0.FB0C6460"

------ =_NextPart_000_01BE30C0.FB0C6460

From: Martin Neitzel[SMTP:neitzel@gaertner.de]
> "tar -xvzf j402alin.tgz" is what you want.

Thanks !!

That worked like a charm. I was obviously close but not close
enough. You might want to add this line to the web instructions
on www.jsoftware.com

After this bit then the install was much more precise than
last time. This improves with every new release.

/Gosi

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From owner-jsoftware@lists.interlog.com  Sun Dec 27 14:38:02 1998
Date: Sun, 27 Dec 1998 14:22:43 -0500 (EST)
From: "Brian M. Schott" 
Subject: Jforum: Mac runtime for Pousse?
In-Reply-To: <004401be2924$4a1f9da0$d70114d1@xps200>

	Christmas guest enjoyed playing j's version of
pousse on my Macintosh this weekend. One of them has asked
for a runtime version for his mac, but there does not appear
to be one and I do not believe the Mac j4.01 can create
runtimes. Does anyone have a runtime pousse for a Mac?

(B=)

On Wed, 16 Dec 1998, Chris Burke wrote:

+>
+>c:\j3\jrt.exe  examples\demo\runtime.js
+>

	[lots deleted]

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From owner-jsoftware@lists.interlog.com  Sun Dec 27 17:57:58 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: Mac runtime for Pousse?
Date: Sun, 27 Dec 1998 22:53:28 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE31EB.E235BA00"

------ =_NextPart_000_01BE31EB.E235BA00

From: Brian M. Schott[SMTP:dscbms@panther.Gsu.EDU]
> 	Christmas guest enjoyed playing j's version of
> pousse on my Macintosh this weekend. One of them has asked
> for a runtime version for his mac, but there does not appear
> to be one and I do not believe the Mac j4.01 can create
> runtimes. Does anyone have a runtime pousse for a Mac?

Can you not do the same as under Windows to use /rt on a command
line or in a shortcut icon properties?

If you can then I did send in a note some days ago what to change
in order to do it. I would like to know if there is a difference with the
Mac. You run it like any ordinary freestanding application under Windows.

I have set it up for Widows and you can run it without needing
a license or evaluation key. I can send you the description if you
lost it.

/Gosi

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From owner-jsoftware@lists.interlog.com  Mon Dec 28 10:43:49 1998
Organization: Voxel
From: "Andrew Nikitin" 
Date: Mon, 28 Dec 1998 17:20:45 +0200 (EET)
Subject: Jforum: j cryptarithm

Hello, all.

Do you like puzzles? I have one.

Here is snapshot from j session with some characters replaced with
"?" sign.

   CRYPTIC_PHRASE=:'(#~0???.?*&2???1 :??:"0) i.2^13'
   list ".CRYPTIC_PHRASE
1    2    4    8    16   32   64   128  256  489  512  971
978  1024 1031 1935 1942 1949 1956 1963 2048 2055 2062 3870
3884 3898 3912 3926 3983 3997 4011 4025 4096 4110 4124 4223
7740 7753 7768 7796 7824 7852 7867 7895 7923 7951 7966 7994
8022 8050 8093 8121 8149

There were no question signs in original phrase. Can you restore 9 missing
charactres? (Version of j is 4.02). Can you explain the result?

nsg

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From owner-jsoftware@lists.interlog.com  Tue Dec 29 06:07:19 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: Mac runtime for Pousse?
Date: Tue, 29 Dec 1998 11:00:49 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE331A.B507B4E0"

------ =_NextPart_000_01BE331A.B507B4E0

From: Brian M. Schott[SMTP:dscbms@panther.Gsu.EDU]
> 	Christmas guest enjoyed playing j's version of
> pousse on my Macintosh this weekend. One of them has asked
> for a runtime version for his mac, but there does not appear
> to be one and I do not believe the Mac j4.01 can create
> runtimes. Does anyone have a runtime pousse for a Mac?

I went to the iMac vendor and he does not know how to give arguments
to commands. How in the world does the Mac live without commands
and arguments I can not understand. And by the way Pousse is not a
part of the Mac j4.01. I did not bother to download J4.02 because I did
not see see how you would be able to issue the command to do
J.exe /rt pousse.ijs
It is possible to attach J to pousse.ijs but how to make it take /rt I do not know.
/Gosi

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From owner-jsoftware@lists.interlog.com  Tue Dec 29 11:21:19 1998
Date: Tue, 29 Dec 1998 09:59:05 -0600
From: Norman Drinkwater 
Subject: RE: Jforum: Mac runtime for Pousse?
In-Reply-To: <01BE331A.B4FE8D20@geisli-308.centrum.is>

To use J runtimes on the Mac, convert the j script to an ijr runtime,
including all of the required scripts within the ijr file. The J Mac
executable (in PPC or 68K flavors) can then be distributed along with the
ijr file. Double clicking the ijr will start the program. Double clicking
the J executable will give the dialog for the evaluation system.

I generally do all development work on NT, adding a small script of patches
to fix Mac issues. I recall being able to make ijr runtimes on the Mac, but
don't do so because of memory problems when working with large scripts. The
ijr files made on NT run fine on the Mac, though a bit more slowly and with
some UI quirks related to the port. Note that you may need to change the
'file type' for the ijr file on the Mac, using 'ISIJ' as the creator and
TEXT as the type. Alternatively, PC-Exchange can be used to associate
'.ijr' files with the J executable.

Hope this helps.

N. Drinkwater

At 05:00 AM 12/29/98, you wrote:
>From: 	Brian M. Schott[SMTP:dscbms@panther.Gsu.EDU]
>> 	Christmas guest enjoyed playing j's version of
>> pousse on my Macintosh this weekend. One of them has asked
>> for a runtime version for his mac, but there does not appear
>> to be one and I do not believe the Mac j4.01 can create
>> runtimes. Does anyone have a runtime pousse for a Mac?
>
>I went to the iMac vendor and he does not know how to give arguments
>to commands. How in the world does the Mac live without commands
>and arguments I can not understand. And by the way Pousse is not a
>part of the Mac j4.01. I did not bother to download J4.02 because I did
>not see see how you would be able to issue the command to do
>J.exe /rt pousse.ijs
>It is possible to attach J to pousse.ijs but how to make it take /rt I do
>not know.
>/Gosi
>

_______________________________________
Norman Drinkwater
McArdle Laboratory for Cancer Research
University of Wisconsin Medical School
drinkwater@oncology.wisc.edu

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From owner-jsoftware@lists.interlog.com  Tue Dec 29 13:25:33 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: Mac runtime for Pousse?
Date: Tue, 29 Dec 1998 18:12:39 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE3357.095836A0"

------ =_NextPart_000_01BE3357.095836A0

From: Norman Drinkwater[SMTP:drinkwater@oncology.wisc.edu]
> To use J runtimes on the Mac, convert the j script to an ijr runtime,
> including all of the required scripts within the ijr file. The J Mac
> executable (in PPC or 68K flavors) can then be distributed along with the
> ijr file. Double clicking the ijr will start the program.

OK so if I convert the pousse.ijs into a pousse.ijr can I then start J
as if it had been given the /rt as an argument?

If so then I should surely not need to incorporate all the .ijs files
that are required also.

I should then be able to use the solution I presented here a few days ago
where I call the changed profile.ijs to be run which then calls the changed
boot.ijs and then runs as intended. I would not need to change all the utils
to .ijr.

Am I right?

Can I change the pousse.ijs file into pousse.ijr under Windows and move
it to the Mac or do I need to do the compilation to .ijr on the Mac?

/Gosi

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From owner-jsoftware@lists.interlog.com  Tue Dec 29 13:45:28 1998
From: "Bjorn G. Helgason" 
Subject: Jforum: RE: The new addiction   -    Pousse
Date: Tue, 29 Dec 1998 18:42:37 -0000
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01BE335B.3479F180"

------ =_NextPart_000_01BE335B.3479F180

I have played the 4x4 some and even on such a low level it
was a bit hard to figure out how to win over the machine but now
I managed to win one game in only 6 moves !!

L2 R2
L2 B3
T3 B3
T4 B2
T4 B2
R2
Red wins

And amazingly shortly afterwards I got to play the same sequence
again. Move by move. So I am beginning to think if there is a way
to figure out the correct move in every instance and that the one
who starts would always win. Does anyone know that for sure ?
And then there is the question if that applies to all n x n ?

/Gosi

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From owner-jsoftware@lists.interlog.com  Tue Dec 29 16:49:25 1998
From: "David Vincent-Jones" 
Subject: Jforum: Reading BMP Files
Date: Tue, 29 Dec 1998 13:17:16 -0800

I am using 'readbmp' to get data from 8 bit images.
I expected the function to return a table of single byte elements,
but got a table of 8 byte elements instead.
Can somebody tell me what I am looking at.
The old 'readbmp8' did exactly what I expected.

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From owner-jsoftware@lists.interlog.com  Wed Dec 30 05:43:47 1998
From: "Bjorn G. Helgason" 
Subject: RE: Jforum: Mac runtime for Pousse?
Date: Wed, 30 Dec 1998 10:27:19 -0000

From: Simon Christen[SMTP:simon.christen@isbs.unibe.ch]

> "Bjorn G. Helgason" schrieb:

> > I have set it up for Windows and you can run it without needing
> > a license or evaluation key. I can send you the description if you
> > lost it.
> >
> > /Gosi

> Dear Gosi
> Could you please send me this description too. Or, if you got several
> such requests, you might repost it to the J forum.

There have been a few requests for a description

Here it comes again to the Forum:

I changed the pousse.ijs script in two ways to make it run straight.
Made a copy and changed the name to pusl.ijs

As a first line added
0!:0 <'user\pousse\prof.ijs'    NB. add this line before anything else

prof.ijs is a copy of profile.ijs with one line changed
0!:0 <'user\pousse\boot.ijs'   NB. Change the path to the boot script

in boot.ijs I changed one line
NB. configure_jcfg_ 0	      NB. remove the line by commenting it out

and at last in the pusl.ijs changed one line
FIXFONT=: '"ISIJ" 10 default'	NB. remove the call to SM and replace

and now I can run the shortcut

C:\j402\j.exe /rt user\pousse\pusl.ijs	NB. put this in properties of the icon

You can do the changes with Notepad and Explorer as tools.
Download a copy of J4.02 first and then do the above.

It is possible to change the license to a payed license by
filling in the form, pay and smile.

/Gosi

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From owner-jsoftware@lists.interlog.com  Wed Dec 30 09:10:21 1998
References: 
Organization: Voxel
From: "Andrew Nikitin" 
Date: Wed, 30 Dec 1998 15:35:48 +0200 (EET)
Subject: Re: Jforum: j cryptarithm
Content-Type: multipart/mixed;
    boundary="===========_dMail_AAqmYYs0-P_voxel.kharkov.ua===_"

This is a message in MIME format. Your mail reader does not support MIME :(

--===========_dMail_AAqmYYs0-P_voxel.kharkov.ua===_

28-Dec-98 17:20 Andrew Nikitin wrote:
> Here is snapshot from j session with some characters replaced with
> "?" sign.
>
>    CRYPTIC_PHRASE=:'(#~0???.?*&2???1 :??:"0) i.2^13'
>    list ".CRYPTIC_PHRASE
> 1    2    4    8    16   32   64   128  256  489  512  971
> 978  1024 1031 1935 1942 1949 1956 1963 2048 2055 2062 3870
> 3884 3898 3912 3926 3983 3997 4011 4025 4096 4110 4124 4223
> 7740 7753 7768 7796 7824 7852 7867 7895 7923 7951 7966 7994
> 8022 8050 8093 8121 8149
>
> There were no question signs in original phrase. Can you restore 9 missing
> charactres? (Version of j is 4.02). Can you explain the result?

The original phrase was composed using j402 for Windows95, being
executed by a Pentium processor. I am not sure now, that the same phrase would
produce the same result with other architectures, say Mac or WinCE (though, i
still don't have counterexample).

The attached .ijr will "check" your configuration for "validity" to this
puzzle. On "valid" architectures it will produce messagebox with the numeric
sequence, quoted above.

Run it (if you are using Windows95) with

  j.exe /rt temp\secure.ijs temp\cryptic.ijr

or simply, with

  j.exe /rt temp\cryptic.ijr

(if you trust me).

Please, send me note about your configuration (OS, processor, j version) if
you will not get messagebox with the sequence.

nsg

--===========_dMail_AAqmYYs0-P_voxel.kharkov.ua===_
Content-Disposition: attachment; filename=secure.ijs
Content-Description: Security placeholder

9!:25 ]1

--===========_dMail_AAqmYYs0-P_voxel.kharkov.ua===_
Content-Type: application/octet-stream; name=cryptic.ijr
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename=cryptic.ijr
Content-Description: Cryptic phrase

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From owner-jsoftware@lists.interlog.com  Wed Dec 30 15:45:22 1998
Date: Wed, 30 Dec 1998 22:29:05 +0200 (EET)
From: Oleg Kobchenko 
Subject: Re: Jforum: Reading BMP Files
In-Reply-To: <000b01be3371$b5870b80$0b0881ce@desktop>

I found pretty useful the scripts of Keith Clifford
of his web site to work with bitmaps.

J's current bitmap library works with 24 bit bitmaps
or 3 integers or 12 bytes per pixel.

Windows API provides for a variety of bitmaps ranging
from 1 bit to 1 byte to 4 bytes per pixel with or
without palettes. I see an ideal J library for bitmaps
which would support coversion of these bitmaps
to and from J chars, bools, integers, floats, etc.

Well, gifs and jpegs, etc. would be useful, too.

On Tue, 29 Dec 1998, David Vincent-Jones wrote:

> I am using 'readbmp' to get data from 8 bit images.
> I expected the function to return a table of single byte elements,
> but got a table of 8 byte elements instead.
> Can somebody tell me what I am looking at.
> The old 'readbmp8' did exactly what I expected.

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From owner-jsoftware@lists.interlog.com  Wed Dec 30 17:10:17 1998
From: "David Vincent-Jones" 
Subject: Jforum: OpenGL Demos
Date: Wed, 30 Dec 1998 13:46:03 -0800

I have been using the OpenGL Demo materials to get a feel for various
parameters.

When I change an item and use 'Redisplay' within the Demo, it works just
fine but if I put the Demo code into a stand-alone script I get a failure
after 3 or 4 modification loops.

The failure results in a partial redraw only. If I then close and re-open J,
the modified script works just fine for another 3 or so iterations.

I am using: load 'opengl' /('jzopengl';'z') copath base plus glinit '' in
the primary function. I have also tried using glreset '' to solve the
problem.

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From owner-jsoftware@lists.interlog.com  Wed Dec 30 17:15:15 1998
Date: Wed, 30 Dec 1998 17:02:37 -0500
From: Cliff Reiter 
Subject: Re: Jforum: Reading BMP Files
Organization: Lafayette College
Content-type: text/plain; charset=us-ascii
References: <000b01be3371$b5870b80$0b0881ce@desktop.lafayette.edu>

David Vincent-Jones wrote:
>
> I am using 'readbmp' to get data from 8 bit images.
> I expected the function to return a table of single byte elements,
> but got a table of 8 byte elements instead.
> Can somebody tell me what I am looking at.
> The old 'readbmp8' did exactly what I expected.
>
>

I wrote a version of readbmp8 years ago and have kept it updated
as J version changes required. It is in the script raster3.ijs
that you may find in the J materials on my web pages. However,
it is limited to reading uncompressed 8-bit windows bitmaps.
The result is a boxed list: the palette & the bitmap as integer
indices into those. Thus,
   'p b'=.readbmp8 'image.bmp'
would create a matrix b of pixels entries ranging from 0 to 255.
I do have "rawreadbmp8" which is the same except
that the indices are bytes and the image is vertically reversed
to minimize memory use. (available by request)  I believe Chris
Burke, and perhaps others, have written much more general
functions that have come with various versions of J but I admit
I have remained fond of the palette;indices data structure and
hence I have tended to use my own utilities.
  Best,
  Cliff

--
Clifford A. Reiter
Mathematics Department, Lafayette College
Easton, PA 18042 USA,   610-330-5277
                            ^^^ Note new phone exchange
http://www.lafayette.edu/~reiterc

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From owner-jsoftware@lists.interlog.com  Wed Dec 30 17:31:17 1998
From: "David Vincent-Jones" 
Subject: Re: Jforum: Reading BMP Files
Date: Wed, 30 Dec 1998 14:11:30 -0800

Thanks for your response Oleg:
Any idea how the 8 byte data table can be converted to the 1 byte table that
I would have expected?
-----Original Message-----
From: Oleg Kobchenko 
Date: December 30, 1998 12:47 PM
Subject: Re: Jforum: Reading BMP Files

>I found pretty useful the scripts of Keith Clifford
>of his web site to work with bitmaps.
>
>J's current bitmap library works with 24 bit bitmaps
>or 3 integers or 12 bytes per pixel.
>
>Windows API provides for a variety of bitmaps ranging
>from 1 bit to 1 byte to 4 bytes per pixel with or
>without palettes. I see an ideal J library for bitmaps
>which would support coversion of these bitmaps
>to and from J chars, bools, integers, floats, etc.
>
>Well, gifs and jpegs, etc. would be useful, too.
>
>On Tue, 29 Dec 1998, David Vincent-Jones wrote:
>
>> I am using 'readbmp' to get data from 8 bit images.
>> I expected the function to return a table of single byte elements,
>> but got a table of 8 byte elements instead.
>> Can somebody tell me what I am looking at.
>> The old 'readbmp8' did exactly what I expected.
>
>
>---------------------------------------------------------------------------
-----
>J Forum: for information about this list, see
http://www.jsoftware.com/forum.htm
>

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From owner-jsoftware@lists.interlog.com  Wed Dec 30 17:43:55 1998
From: "David Vincent-Jones" 
Subject: Re: Jforum: Reading BMP Files
Date: Wed, 30 Dec 1998 14:18:48 -0800

Yes Cliff, I have extensively used your old 'readbmp8' and found it most
useful; I was hoping however to be able to use the more 'universal' new
function which somehow should achieve the same result.

-----Original Message-----
From: Cliff Reiter 
Date: December 30, 1998 2:17 PM
Subject: Re: Jforum: Reading BMP Files

>David Vincent-Jones wrote:
>>
>> I am using 'readbmp' to get data from 8 bit images.
>> I expected the function to return a table of single byte elements,
>> but got a table of 8 byte elements instead.
>> Can somebody tell me what I am looking at.
>> The old 'readbmp8' did exactly what I expected.
>>
>>
>
>I wrote a version of readbmp8 years ago and have kept it updated
>as J version changes required. It is in the script raster3.ijs
>that you may find in the J materials on my web pages. However,
>it is limited to reading uncompressed 8-bit windows bitmaps.
>The result is a boxed list: the palette & the bitmap as integer
>indices into those. Thus,
>   'p b'=.readbmp8 'image.bmp'
>would create a matrix b of pixels entries ranging from 0 to 255.
>I do have "rawreadbmp8" which is the same except
>that the indices are bytes and the image is vertically reversed
>to minimize memory use. (available by request)  I believe Chris
>Burke, and perhaps others, have written much more general
>functions that have come with various versions of J but I admit
>I have remained fond of the palette;indices data structure and
>hence I have tended to use my own utilities.
>  Best,
>  Cliff
>
>--
>Clifford A. Reiter
>Mathematics Department, Lafayette College
>Easton, PA 18042 USA,   610-330-5277
>                            ^^^ Note new phone exchange
>http://www.lafayette.edu/~reiterc
>
>---------------------------------------------------------------------------
-----
>J Forum: for information about this list, see
http://www.jsoftware.com/forum.htm
>

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From owner-jsoftware@lists.interlog.com  Wed Dec 30 18:19:47 1998
From: "Chris Burke" 
Subject: Re: Jforum: Reading BMP Files
Date: Wed, 30 Dec 1998 18:03:54 -0500
	charset="iso-8859-1"

David Vincent-Jones writes:

>I am using 'readbmp' to get data from 8 bit images.
>I expected the function to return a table of single byte elements,
>but got a table of 8 byte elements instead.
>Can somebody tell me what I am looking at.
>The old 'readbmp8' did exactly what I expected.

readbmp returns an matrix of RGB values. The old readbmp8 in earlier
versions of J3 returned a two element list, a color palette consisting of a
matrix of RGB triples and a matrix of indices into the color palette.

You can represent RGB colors as single integers, or triples of R G B values
from 0 to 255. For example, the integer 33023 corresponds to the triple 255
128 0. It seemed more natural for the J representation to use the single
integer RGB value, hence the switch from readbmp8 to readbmp.

Incidentally, the old readbmp8 still works fine in J4.

The following session illustrates:

   load 'isigraph'
   load 'd:\j3\examples\archive\bmp8.js'

   FL=: 'temp\t1.bmp'

   readbmphdr FL   NB. file is 8-bit, 512 by 512
8 512 512

   $ each 'a b'=. readbmp8 FL
+-----+-------+
|256 3|512 512|
+-----+-------+
   $ c=. readbmp FL
512 512

   (1 RGB c) -: b { a
1

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From owner-jsoftware@lists.interlog.com  Wed Dec 30 18:24:11 1998
From: "Chris Burke" 
Subject: Re: Jforum: Reading BMP Files
Date: Wed, 30 Dec 1998 18:13:56 -0500
	charset="iso-8859-1"

>readbmp returns an matrix of RGB values. The old readbmp8 in earlier
>versions of J3 returned a two element list, a color palette consisting of a
>matrix of RGB triples and a matrix of indices into the color palette.

I should add that readbmp will handle 4, 8 or 24-bit bitmap files. I think
the old readbmp8 was specifically for 8-bit bitmap files.

It is trivial to convert between the representations, so you could easily
modify readbmp to return the same format as readbmp8, for any type of bitmap
file.

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From owner-jsoftware@lists.interlog.com  Wed Dec 30 19:35:33 1998
Date: Wed, 30 Dec 1998 18:24:38 -0600
From: Peter Nichols 
Subject: Jforum: Event Handlers

I have a program that uses 2 windows.  Let's say mainwin and subwin.
When I open subwin from mainwin it executes wd 'wait'.  While it
executes everything is fine until it get's closed with wd 'pclose'.
Mainwin is then displayed again.  My problem is, how do I know when I'm
back in mainwin.  It doesn't seem to trigger an event, and I need to do
some processing when subwin is done.

Also, when mainwin invokes subwin with the wd 'wait' the next statement
in the main program is executed.  If its waiting on subwin, why does it
continue in mainwin?  It doesn't seem to work this way with the mb
common dialogs.  How are they coded to achieve a total wait?

Is there someplace that these messages are stored?  If someone has
already answered this it would save me asking again.

Thanks to everyone in advance.

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