# 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) 5.2.4' | |
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 <[email protected]>." | |
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 less ver re && 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="|$xz -cdfq -- %s" | |
fi | |
export LESSMETACHARS LESSOPEN | |
exec less "$@" | |