delete trailing whitespace from control files

[debian/gzip] / zless.in

diff --git a/zless.in b/zless.in
index 0aa940f0074139d190f9d7cd77fddcb114759ed3..d34068d2b195f05d909eb9873145c976abaef587 100644 (file)
--- a/zless.in
+++ b/zless.in
@@ -1,6 +1,6 @@
 #!/bin/sh
 
 #!/bin/sh
 

-# Copyright (C) 1998, 2002, 2006, 2007 Free Software Foundation
+# Copyright (C) 1998, 2002, 2006-2007, 2010-2018 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


@@ -16,16 +16,10 @@
 # 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.
 

-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) 2007, 2009-2010 Free Software Foundation, Inc.
+Copyright (C) 2007, 2011-2018 Free Software Foundation, Inc.

 This is free software.  You may redistribute copies of it under the terms of
 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>.
+the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.

 There is NO WARRANTY, to the extent permitted by law.
 
 Written by Paul Eggert."
 There is NO WARRANTY, to the extent permitted by law.
 
 Written by Paul Eggert."


@@ -38,8 +32,8 @@ Options are the same as for 'less'.
 Report bugs to <bug-gzip@gnu.org>."
 
 case $1 in
 Report bugs to <bug-gzip@gnu.org>."
 
 case $1 in

---help)    exec echo "$usage";;
---version) exec echo "$version";;
+--help)      printf '%s\n' "$usage"   || exit 1; exit;;
+--version)   printf '%s\n' "$version" || exit 1; exit;;

 esac
 
 if test "${LESSMETACHARS+set}" != set; then
 esac
 
 if test "${LESSMETACHARS+set}" != set; then


@@ -53,5 +47,25 @@ if test "${LESSMETACHARS+set}" != set; then
   export LESSMETACHARS
 fi
 
   export LESSMETACHARS
 fi
 

-LESSOPEN="|-gzip -cdfq -- %s"; export LESSOPEN
+less_version=`less -V 2>/dev/null`
+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 "$@"
 exec less "$@"