Lib/std/sh

   1 #!/bin/sh
   2
   3 #==============================================================================
   4 # STDfilenameDTS
   5 # File ID: STDuuidDTS
   6 #
   7 # [Description]
   8 #
   9 # Author: Øyvind A. Holm <sunny@sunbase.org>
  10 # License: GNU General Public License version 2 or later.
  11 #==============================================================================
  12
  13 progname=STDfilenameDTS
  14 VERSION=0.0.0
  15
  16 opt_help=0
  17 opt_quiet=0
  18 opt_verbose=0
  19
  20 while test -n "$1"; do
  21         case "$1" in
  22         -h|--help) opt_help=1; shift ;;
  23         -q|--quiet) opt_quiet=$(($opt_quiet + 1)); shift ;;
  24         -v|--verbose) opt_verbose=$(($opt_verbose + 1)); shift ;;
  25         --version) echo $progname $VERSION; exit 0 ;;
  26         --) shift; break ;;
  27         *)
  28                 if printf '%s\n' "$1" | grep -q ^-; then
  29                         echo "$progname: $1: Unknown option" >&2
  30                         exit 1
  31                 else
  32                         break
  33                 fi
  34         break ;;
  35         esac
  36 done
  37 opt_verbose=$(($opt_verbose - $opt_quiet))
  38
  39 if test "$opt_help" = "1"; then
  40         test $opt_verbose -gt 0 && { echo; echo $progname $VERSION; }
  41         cat <<END
  42
  43 Usage: $progname [options]
  44
  45 Options:
  46
  47   -h, --help
  48     Show this help.
  49   -q, --quiet
  50     Be more quiet. Can be repeated to increase silence.
  51   -v, --verbose
  52     Increase level of verbosity. Can be repeated.
  53   --version
  54     Print version information.
  55
  56 END
  57         exit 0
  58 fi
  59
  60 # vim: set ts=8 sw=8 sts=8 noet fo+=w tw=79 fenc=UTF-8 :