fixed in upstream 1.5

[debian/gzip] / zless.in

diff --git a/zless.in b/zless.in
index dae346f82e9fc55d9d3fbc033da127d2afdd55b0..3f06da60ce764c3d2dc12c350a2b66f7fd00e3f2 100644 (file)
--- a/zless.in
+++ b/zless.in
@@ -1,10 +1,10 @@
 #!/bin/sh
 
 #!/bin/sh
 

-# Copyright (C) 1998, 2002, 2006 Free Software Foundation
+# 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
 
 # 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
+# the Free Software Foundation; either version 3 of the License, or

 # (at your option) any later version.
 
 # This program is distributed in the hope that it will be useful,
 # (at your option) any later version.
 
 # This program is distributed in the hope that it will be useful,


@@ -16,17 +16,21 @@
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 # 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
+bindir=@bindir@
+case $1 in
+--__bindir) bindir=${2?}; shift; shift;;
+esac
+PATH=$bindir:$PATH; export PATH

 
 version="zless (gzip) @VERSION@
 
 version="zless (gzip) @VERSION@

-Copyright (C) 2006 Free Software Foundation, Inc.
+Copyright (C) 2007, 2011-2012 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."
 
 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: zless [OPTION]... [FILE]...
+usage="Usage: $0 [OPTION]... [FILE]...

 Like 'less', but operate on the uncompressed contents of any compressed FILEs.
 
 Options are the same as for 'less'.
 Like 'less', but operate on the uncompressed contents of any compressed FILEs.
 
 Options are the same as for 'less'.


@@ -38,5 +42,26 @@ case $1 in
 --version) exec echo "$version";;
 esac
 
 --version) exec echo "$version";;
 esac
 

-LESSOPEN="|gzip -cdfq -- %s"; export LESSOPEN
+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
+
+less_version=`less -V` || exit
+case $less_version in
+'less 429
+'* | 'less '4[3-9][0-9]* | 'less '[5-9][0-9][0-9]* | 'less '[1-9][0-9][0-9][0-9]*)
+   use_input_pipe_on_stdin='-';;
+*) use_input_pipe_on_stdin='';;
+esac
+
+LESSOPEN="|${use_input_pipe_on_stdin}gzip -cdfq -- %s"
+export LESSOPEN
+

 exec less "$@"
 exec less "$@"