NAME

       shtool-version - GNU shtool maintain version information file

SYNOPSIS

       shtool version [-l|--language lang] [-n|--name name] [-p|--prefix prefix] [-s|--set
       version] [-e|--edit] [-i|--increase knob] [-d|--display type] file

DESCRIPTION

       This command displays and maintains version information in file.

       The version is always described with a triple <version,revision,level> and is represented
       by a string which always matches the regular expression ""[0-9]+\.[0-9]+[sabp.][0-9]+"".

       The hexadecimal format for a version "v.rtl" is "VVRRTLL" where "VV" and "RR" directly
       correspond to "v" and "r", "T" encodes the level type as 9, 2, 1, 0 (representing "s",
       "p"/".", "b", "a" in this order) and "LL" is either directly corresponding to "l" or set
       to 99 if level type is "s".

OPTIONS

       The following command line options are available.

       -v, --verbose
           Print verbose information during processing.

       -l, --language lang
           Choose format of version file file. lang=""txt"", ANSI C (lang="c"), M4 (lang="m4"),
           Perl (lang="perl") or Python (lang="python"). Default is "txt".

       -n, --name name
           Name the program the version is maintained for. Default is "unknown".

       -p, --prefix prefix =item -s, --set version
           Set the version to version.

       -e, --edit
           Interactively enter a new version.

       -i, --increase knob
           When option ``-i'' is used, the current version in file is updated by increasing one
           element of the version where knob can be one of the following: ``"v"'' for increasing
           the version by 1 (and resetting revision and level to 0), ``"r"'' for increasing the
           revision by 1 (and resetting level to 0) or ``"l"'' for increasing the level by 1.

       -d, --display type
           Control the display type: ""short"" for a short version display, ""long"" for a longer
           version display, ""hex"" for a hexadecimal display of the version and ""libtool"" for
           a format suitable for use with GNU libtool.

EXAMPLE

        #   shell script
        shtool version -l c -n FooBar -p foobar -s 1.2b3 version.c

        #   configure.in
        V=`shtool version -l c -d long version.c`
        echo "Configuring FooBar, Version $V"

HISTORY

       The GNU shtool version command was originally written by Ralf S.  Engelschall
       <rse@engelschall.com> in 1994 for OSSP eperl. It was later rewritten from scratch for
       inclusion into GNU shtool.

SEE ALSO

       shtool(1).