#!/bin/sh # Copyright (C) 1998, 2002, 2006-2007, 2010-2018 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License along # with this program; if not, write to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. version="zless (gzip) 1.10 Copyright (C) 2007, 2011-2018 Free Software Foundation, Inc. This is free software. You may redistribute copies of it under the terms of the GNU General Public License <https://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law. Written by Paul Eggert." usage="Usage: $0 [OPTION]... [FILE]... Like 'less', but operate on the uncompressed contents of any compressed FILEs. Options are the same as for 'less'. Report bugs to <bug-gzip@gnu.org>." case $1 in --help) printf '%s\n' "$usage" || exit 1; exit;; --version) printf '%s\n' "$version" || exit 1; exit;; esac if test "${LESSMETACHARS+set}" != set; then # Work around a bug in less 394 and earlier; # it mishandles the metacharacters '$%=~'. space=' ' tab=' ' newline=' ' LESSMETACHARS="$space$tab$newline'"';*?"()<>[|&^`#\$%=~' export LESSMETACHARS fi less_version=`less -V 2>/dev/null` case $less_version in less' '45[1-9]* | \ less' '4[6-9][0-9]* | \ less' '[5-9][0-9][0-9]* | \ less' '[1-9][0-9][0-9][0-9]*) check_exit_status='|';; *) check_exit_status='';; esac case $less_version in less' '429* | \ less' '4[3-9][0-9]* | \ less' '[5-9][0-9][0-9]* | \ less' '[1-9][0-9][0-9][0-9]*) use_input_pipe_on_stdin='-';; *) use_input_pipe_on_stdin='';; esac LESSOPEN="|$check_exit_status${use_input_pipe_on_stdin}gzip -cdfq -- %s" export LESSOPEN exec less "$@"