98_CustomReadings.pm: fixed the bug when the script returned zero

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@8204 2b470e98-0d58-463d-a4d8-8e2adae1ed80
2015-03-13 17:32:16 +00:00
parent 030403c9f3
commit 6e5feb905e
1 changed files with 3 additions and 3 deletions
--- a/fhem/FHEM/98_CustomReadings.pm
+++ b/fhem/FHEM/98_CustomReadings.pm
@@ -82,7 +82,7 @@ sub CustomReadings_read($)
      $isCombined = 0;
    }
    
-    my $value = 0;
+    my $value;
    if ($isCombined) {
      $value = shift @combinedOutput; 
            
@@ -96,7 +96,7 @@ sub CustomReadings_read($)
      $value = eval($definition[1]);
    }
    
-    if($value) {
+    if(defined $value) {
      $value =~ s/^\s+|\s+$//g;
    }
    else {