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j_lib2 -- Library for Useful Functions

Objects in this library goes back decades, some started out on MS-DOS and a little known Unix called IN/ix (a 16 bit Unix on a proprietary 8086 clone).

To build, execute gen_make.sh to generate a Makefile for most BSD/Linux systems and IBM AIX. makefile.dos can be used for MS-DOS Systems under Microsoft c.

GNU automake https://en.wikipedia.org/wiki/Automake only confuses me, so I came up with my own method which is a real hack. But works for me.

Downloads:

Source Code

Source Signature

See for download issues

Additional Info

Objects included and a brief description:

• j2_bye_char() -- remove a specific character from a string
• j2_bye_emb(3) -- remove embedded white space
• j2_bye_last(3) -- remove 'last' character on a string
• j2_chg_char(3) -- change a specific character
• j2_clr_str(3) -- clear a string and append NULL
• j2_count_c(3) -- get count of a specific character
• j2_d_get_yyyy(3) -- Determine the 4 digit year, should probably be obsoleted
• j2_d_init(3) -- Initialize Date/Time structure
• j2_d_isleap(3) -- Is the year a Leap Year ?
• j2_d_to_sec(3) -- Converts a date to the # of seconds
• j2_date_is_valid(3) -- Validate Date String
• j2_dl_fmt(3) -- Format a Date/Time Integer Value for Display
• j2_dl_split(3) -- Split a Date/Time Integer Value
• j2_dl_valid(3) -- Validate Date/Time Integer Value
• j2_ds_fmt(3) -- Format a Date/Time String for Display
• j2_ds_split(3) -- Split a Date/Time string
• j2_expand_tab(3) -- Expand tabs to spaces in a string
• j2_f_exist(3) -- see if a file exists
• j2_file_typ(3) -- determine file type
• j2_fix_delm() -- Fix delimited string for use with strtok(3)
• j2_fix_numr(3) -- fix number format
• j2_get_build(3) -- Returns a string with Library Build Date
• j2_get_prgname(3) -- get program name from argv
• j2_getseed(3) -- Get a seed value for rand()
• j2_is_all_spaces(3) -- is a string all white space ?
• j2_is_numr(3) -- Is the string all numeric ?
• j2_is_space_embedded(3) -- Does a string contain any embedded white space ?
• j2_justleft(3) -- Left Justifies a string
• j2_randrange(3) -- Get a random number between an Integer Range
• j2_rtw(3) -- Remove Trailing White Space
• j2_secs_to_str(3) -- Converts seconds to a "run time" string
• j2_sleepm() -- Sleep for a specified number of milliseconds
• j2_str_to_secs(3) -- Converts a "run time" string to Seconds
• j2_strlwr(3) -- change a string to all lower case
• j2_strupr(3) -- change a string to upper case
• j2_today(3) -- get current system date/time

• man_tr.txt -- Used to install Manuals on various Operating Systems
• makefile.dos -- Microsoft c Makefile for nmake
• clibopt.txt -- Microsoft c Linker Response File, Compact Model
• hlibopt.txt -- Microsoft c Linker Response File, Hugh Model
• llibopt.txt -- Microsoft c Linker Response File, Large Model
• mlibopt.txt -- Microsoft c Linker Response File, Medium Model
• slibopt.txt -- Microsoft c Linker Response File, Small Model
• tlibopt.txt -- Microsoft c Linker Response File, Tiny Model

Compile Instructions are in the README File inside the tarball.

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$Id: j_lib2.gmi,v 1.4 2023/10/17 15:30:20 jmccue Exp $