zless.in

   1 #!/bin/sh
   2
   3 # Copyright (C) 1998, 2002, 2006, 2007 Free Software Foundation
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14
  15 # You should have received a copy of the GNU General Public License along
  16 # with this program; if not, write to the Free Software Foundation, Inc.,
  17 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19 bindir=@bindir@
  20 case $1 in
  21 --__bindir) bindir=${2?}; shift; shift;;
  22 esac
  23 PATH=$bindir:$PATH; export PATH
  24
  25 version="zless (gzip) @VERSION@
  26 Copyright (C) 2007 Free Software Foundation, Inc.
  27 This is free software.  You may redistribute copies of it under the terms of
  28 the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
  29 There is NO WARRANTY, to the extent permitted by law.
  30
  31 Written by Paul Eggert."
  32
  33 usage="Usage: $0 [OPTION]... [FILE]...
  34 Like 'less', but operate on the uncompressed contents of any compressed FILEs.
  35
  36 Options are the same as for 'less'.
  37
  38 Report bugs to <bug-gzip@gnu.org>."
  39
  40 case $1 in
  41 --help)    exec echo "$usage";;
  42 --version) exec echo "$version";;
  43 esac
  44
  45 if test "${LESSMETACHARS+set}" != set; then
  46   # Work around a bug in less 394 and earlier;
  47   # it mishandles the metacharacters '$%=~'.
  48   space=' '
  49   tab=' '
  50   newline='
  51 '
  52   LESSMETACHARS="$space$tab$newline'"';*?"()<>[|&^`#\$%=~'
  53   export LESSMETACHARS
  54 fi
  55
  56 LESSOPEN="|gzip -cdfq -- %s"; export LESSOPEN
  57 exec less "$@"