#!/usr/bin/sh # Copyright (C) 1998, 2002, 2006, 2007 Free Software Foundation # The original version for gzip was written by Paul Eggert. # Modified for XZ Utils by Andrew Dudman and Lasse Collin. # 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 2 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. #SET_PATH - This line is a placeholder to ease patching this script. # Instead of unsetting XZ_OPT, just make sure that xz will use file format # autodetection. This way memory usage limit and thread limit can be # specified via XZ_OPT. xz='xz --format=auto' version='xzless (XZ Utils) 5.2.5' usage="Usage: ${0##*/} [OPTION]... [FILE]... Like 'less', but operate on the uncompressed contents of xz compressed FILEs. Options are the same as for 'less'. Report bugs to <lasse.collin@tukaani.org>." case $1 in --help) echo "$usage" || exit 2; exit;; --version) echo "$version" || exit 2; exit;; esac if test "${LESSMETACHARS+set}" != set; then # Work around a bug in less 394 and earlier; # it mishandles the metacharacters '$%=~'. space=' ' tab=' ' nl=' ' LESSMETACHARS="$space$tab$nl'"';*?"()<>[|&^`#\$%=~' fi if test "$(less -V | { read _ ver _ && echo ${ver}; })" -ge 429; then # less 429 or later: LESSOPEN pipe will be used on # standard input if $LESSOPEN begins with |-. LESSOPEN="|-$xz -cdfq -- %s" else LESSOPEN="|$xz -cdfq -- %s" fi export LESSMETACHARS LESSOPEN exec less "$@"