gunzip.in

   1 #!/bin/sh
   2 # Uncompress files.  This is the inverse of gzip.
   3
   4 # Copyright (C) 2007, 2010-2022 Free Software Foundation, Inc.
   5
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License along
  17 # with this program; if not, write to the Free Software Foundation, Inc.,
  18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19
  20 version="gunzip (gzip) @VERSION@
  21 Copyright (C) 2007, 2011-2018 Free Software Foundation, Inc.
  22 This is free software.  You may redistribute copies of it under the terms of
  23 the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
  24 There is NO WARRANTY, to the extent permitted by law.
  25
  26 Written by Paul Eggert."
  27
  28 usage="Usage: $0 [OPTION]... [FILE]...
  29 Uncompress FILEs (by default, in-place).
  30
  31 Mandatory arguments to long options are mandatory for short options too.
  32
  33   -c, --stdout      write on standard output, keep original files unchanged
  34   -f, --force       force overwrite of output file and compress links
  35   -k, --keep        keep (don't delete) input files
  36   -l, --list        list compressed file contents
  37   -n, --no-name     do not save or restore the original name and timestamp
  38   -N, --name        save or restore the original name and timestamp
  39   -q, --quiet       suppress all warnings
  40   -r, --recursive   operate recursively on directories
  41   -S, --suffix=SUF  use suffix SUF on compressed files
  42       --synchronous synchronous output (safer if system crashes, but slower)
  43   -t, --test        test compressed file integrity
  44   -v, --verbose     verbose mode
  45       --help        display this help and exit
  46       --version     display version information and exit
  47
  48 With no FILE, or when FILE is -, read standard input.
  49
  50 Report bugs to <bug-gzip@gnu.org>."
  51
  52 case $1 in
  53 --help)    printf '%s\n' "$usage"   || exit 1; exit;;
  54 --version) printf '%s\n' "$version" || exit 1; exit;;
  55 esac
  56
  57 exec gzip -d "$@"