zmore.in

   1 #!/bin/sh
   2
   3 # Copyright (C) 2001-2002, 2007, 2010-2022 Free Software Foundation, Inc.
   4 # Copyright (C) 1992, 1993 Jean-loup Gailly
   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="zmore (gzip) @VERSION@
  21 Copyright (C) 2022 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 Jean-loup Gailly."
  27
  28 usage="Usage: $0 [OPTION]... [FILE]...
  29 Like 'more', but operate on the uncompressed contents of any compressed FILEs.
  30
  31 Report bugs to <bug-gzip@gnu.org>."
  32
  33 case $1 in
  34   --h*) printf '%s\n' "$usage"   || exit 1; exit;;
  35   --v*) printf '%s\n' "$version" || exit 1; exit;;
  36   --) shift;;
  37   -?*) printf >&2 '%s\n' "$0: $1: unknown option; try '$0 --help' for help"
  38        exit 1;;
  39 esac
  40
  41 if test $# = 0; then
  42     if test -t 0; then
  43         printf >&2 '%s\n' "$0: missing operands; try '$0 --help' for help"
  44         exit 1
  45     fi
  46     set -- -
  47 fi
  48
  49 for FILE
  50 do
  51   test $# -lt 2 ||
  52     printf '::::::::::::::\n%s\n::::::::::::::\n' "$FILE" || break
  53   'gzip' -cdfq -- "$FILE"
  54 done 2>&1 | eval ${PAGER-more}