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ICONVCONFIG(8)                                                         Linux System Administration                                                        ICONVCONFIG(8)

NAME
       iconvconfig - create iconv module configuration cache

SYNOPSIS
       iconvconfig [options] [directory]...

DESCRIPTION
       The  iconv(3)  function internally uses gconv modules to convert to and from a character set.  A configuration file is used to determine the needed modules for a
       conversion.  Loading and parsing such a configuration file would slow down programs that use iconv(3), so a caching mechanism is employed.

       The iconvconfig program reads iconv module configuration files and writes a fast-loading gconv module configuration cache file.

       In addition to the system provided gconv modules, the user can specify custom gconv module directories with the environment variable GCONV_PATH.  However,  iconv
       module configuration caching is used only when the environment variable GCONV_PATH is not set.

OPTIONS
       --nostdlib
              Do not search the system default gconv directory, only the directories provided on the command line.

       -o outputfile, --output=outputfile
              Use outputfile for output instead of the system default cache location.

       --prefix=pathname
              Set  the prefix to be prepended to the system pathnames.  See FILES, below.  By default, the prefix is empty.  Setting the prefix to foo, the gconv module
              configuration would be read from foo/usr/lib/gconv/gconv-modules and the cache would be written to foo/usr/lib/gconv/gconv-modules.cache.

       -?, --help
              Print a usage summary and exit.

       --usage
              Print a short usage summary and exit.

       -V, --version
              Print the version number, license, and disclaimer of warranty for iconv.

EXIT STATUS
       Zero on success, nonzero on errors.

FILES
       /usr/lib/gconv
              Usual default gconv module path.

       /usr/lib/gconv/gconv-modules
              Usual system default gconv module configuration file.

       /usr/lib/gconv/gconv-modules.cache
              Usual system gconv module configuration cache.

       Depending on the architecture, the above files may instead be located at directories with the path prefix /usr/lib64.

SEE ALSO
       iconv(1), iconv(3)

GNU                                                                            2021-08-27                                                                 ICONVCONFIG(8)