zcmp.in

   1 #!/bin/sh
   2 # Compare the uncompressed contents of compressed files, byte by byte.
   3
   4 # Copyright (C) 2007, 2010-2024 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
  17 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18
  19 version="zcmp (gzip) @VERSION@
  20 Copyright (C) 2024 Free Software Foundation, Inc.
  21 This is free software.  You may redistribute copies of it under the terms of
  22 the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
  23 There is NO WARRANTY, to the extent permitted by law.
  24
  25 Written by Paul Eggert."
  26
  27 usage="Usage: $0 [OPTION]... FILE1 [FILE2]
  28 Compare FILE1 to FILE2 byte by byte, using their uncompressed contents
  29 if they are compressed.  If FILE2 is omitted, compare FILE1 to the
  30 uncompressed contents of FILE1.gz.  Do comparisons like 'cmp' does.
  31
  32 Options are the same as for 'cmp'.
  33
  34 If a FILE is '-' or missing, read standard input.
  35
  36 Report bugs to <bug-gzip@gnu.org>."
  37
  38 case $1 in
  39 --help)    printf '%s\n' "$usage"   || exit 2; exit;;
  40 --version) printf '%s\n' "$version" || exit 2; exit;;
  41 esac
  42
  43 exec 'zdiff' --__cmp "$@"