From 28ca36c1a3e23827c5a41f0aae4121f5d603d933 Mon Sep 17 00:00:00 2001
From: justme1968 <justme1968@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Tue, 2 Dec 2014 11:58:08 +0000
Subject: [PATCH] 33_readingsGroup.pm: fixed uninitialized value warning

git-svn-id: https://svn.fhem.de/fhem/trunk@7117 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/33_readingsGroup.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/FHEM/33_readingsGroup.pm b/fhem/FHEM/33_readingsGroup.pm
index 3927b40fb..691f3a92b 100644
--- a/fhem/FHEM/33_readingsGroup.pm
+++ b/fhem/FHEM/33_readingsGroup.pm
@@ -712,7 +712,7 @@ readingsGroup_2html($)
               last if(defined($htmlTxt));
             }
 
-           if( $htmlTxt =~ m/<td colspan='2'>(.*)<\/td>/s ) {
+           if( $htmlTxt && $htmlTxt =~ m/<td colspan='2'>(.*)<\/td>/s ) {
               $v = $1;
 
               my $mapped = lookup($hash->{helper}{mapping},$name,$a,$set,"",$room,$group,$cell_row,undef);