X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=zless.in;h=92209f27e60c7f293a912339057dd8ec800bc5c2;hb=50194519a17319e2944361ece5ccf44774b0a728;hp=777f5e0a77213a3d93cf0a600d2c2f42ad48642a;hpb=c7e61475680fa226bd9b8bdd469cd66914e630f5;p=debian%2Fgzip

diff --git a/zless.in b/zless.in
index 777f5e0..92209f2 100644
--- a/zless.in
+++ b/zless.in
@@ -23,7 +23,7 @@ esac
 PATH=$bindir:$PATH; export PATH
 
 version="zless (gzip) @VERSION@
-Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+Copyright (C) 2007, 2011-2013 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.
@@ -53,5 +53,15 @@ if test "${LESSMETACHARS+set}" != set; then
   export LESSMETACHARS
 fi
 
-LESSOPEN="|gzip -cdfq -- %s"; export LESSOPEN
+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 "$@"