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- #!/bin/bash
-
- # 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) 5.0.0'
-
- 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#less }; })" -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="|$xz -cdfq -- %s"
- fi
- export LESSMETACHARS LESSOPEN
-
- exec less "$@"
-