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#!/bin/sh |
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|
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# Copyright (C) 1998, 2002, 2006, 2007 Free Software Foundation |
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|
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# The original version for gzip was written by Paul Eggert. |
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# Modified for XZ Utils by Andrew Dudman and Lasse Collin. |
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|
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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|
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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|
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#SET_PATH - This line is a placeholder to ease patching this script. |
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|
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# Instead of unsetting XZ_OPT, just make sure that xz will use file format |
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# autodetection. This way memory usage limit and thread limit can be |
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# specified via XZ_OPT. |
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xz='xz --format=auto' |
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|
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version='xzless (XZ Utils) 5.0.3' |
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|
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usage="Usage: ${0##*/} [OPTION]... [FILE]... |
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Like 'less', but operate on the uncompressed contents of xz compressed FILEs. |
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|
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Options are the same as for 'less'. |
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|
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Report bugs to <lasse.collin@tukaani.org>." |
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|
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case $1 in |
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--help) echo "$usage" || exit 2; exit;; |
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--version) echo "$version" || exit 2; exit;; |
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esac |
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|
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if test "${LESSMETACHARS+set}" != set; then |
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# Work around a bug in less 394 and earlier; |
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# it mishandles the metacharacters '$%=~'. |
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space=' ' |
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tab=' ' |
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nl=' |
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' |
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LESSMETACHARS="$space$tab$nl'"';*?"()<>[|&^`#\$%=~' |
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fi |
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|
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if test "$(less -V | { read ver && echo ${ver#less }; })" -ge 429; then |
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# less 429 or later: LESSOPEN pipe will be used on |
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# standard input if $LESSOPEN begins with |-. |
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LESSOPEN="|-$xz -cdfq -- %s" |
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else |
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LESSOPEN="|$xz -cdfq -- %s" |
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fi |
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export LESSMETACHARS LESSOPEN |
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|
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exec less "$@" |
