* doc/gzip.texi: Fix off-by-one timestamp.

[debian/gzip] / zless.in

diff --git a/zless.in b/zless.in
index 974891a206ccf757aee070dcaa6856714d806b63..e634af660365ccdc77af21c185f9b4ce8a647310 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, 2010-2016 Free Software Foundation, Inc.

 
 # 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 +16,15 @@
 # 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
-

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

-Copyright (C) 2006 Free Software Foundation, Inc.
+Copyright (C) 2007, 2011-2016 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'.


@@ -49,5 +47,25 @@ if test "${LESSMETACHARS+set}" != set; then
   export LESSMETACHARS
 fi
 
   export LESSMETACHARS
 fi
 

-LESSOPEN="|gzip -cdfq -- %s"; export LESSOPEN
+less_version=`less -V` || exit
+case $less_version in
+less' '45[1-9]* | \
+less' '4[6-9][0-9]* | \
+less' '[5-9][0-9][0-9]* | \
+less' '[1-9][0-9][0-9][0-9]*)
+   check_exit_status='|';;
+*) check_exit_status='';;
+esac
+case $less_version in
+less' '429* | \
+less' '4[3-9][0-9]* | \
+less' '[5-9][0-9][0-9]* | \
+less' '[1-9][0-9][0-9][0-9]*)
+   use_input_pipe_on_stdin='-';;
+*) use_input_pipe_on_stdin='';;
+esac
+
+LESSOPEN="|$check_exit_status${use_input_pipe_on_stdin}gzip -cdfq -- %s"
+export LESSOPEN
+

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