source: trunk/essentials/app-arch/gzip/zless.in@ 3509

#!/bin/sh

# Copyright (C) 1998, 2002, 2006, 2007 Free Software Foundation

# 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.

# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

PATH="BINDIR;$PATH"; export PATH

version="zless (gzip) @VERSION@
Copyright (C) 2007 Free Software Foundation, Inc.
This is free software.  You may redistribute copies of it under the terms of
the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
There is NO WARRANTY, to the extent permitted by law.

Written by Paul Eggert."

usage="Usage: $0 [OPTION]... [FILE]...
Like 'less', but operate on the uncompressed contents of any compressed FILEs.

Options are the same as for 'less'.

Report bugs to <bug-gzip@gnu.org>."

case $1 in
--help)    exec echo "$usage";;
--version) exec echo "$version";;
esac

if test "${LESSMETACHARS+set}" != set; then
  # Work around a bug in less 394 and earlier;
  # it mishandles the metacharacters '$%=~'.
  space=' '
  tab=' '
  newline='
'
  LESSMETACHARS="$space$tab$newline'"';*?"()<>[|&^`#\$%=~'
  export LESSMETACHARS
fi

LESSOPEN="|gzip -cdfq -- %s"; export LESSOPEN
exec less "$@"