| # 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) 5.4.6' | |
| 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 <xz@tukaani.org>." | |
| case $1 in | |
| --help) printf '%s\n' "$usage" || exit 2; exit;; | |
| --version) printf '%s\n' "$version" || exit 2; exit;; | |
| esac | |
| if test "${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 -cdfqQ -- %s" | |
| else | |
| LESSOPEN="|$xz -cdfqQ -- %s" | |
| fi | |
| export LESSMETACHARS LESSOPEN | |
| exec less "$@" | |