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

git-svn-id: https://svn.fhem.de/fhem/trunk@8204 2b470e98-0d58-463d-a4d8-8e2adae1ed80
2015-03-13 17:32:16 +00:00
parent 6fac8d0802
commit bce9ab4369
1 changed files with 3 additions and 3 deletions
--- a/fhem/FHEM/98_CustomReadings.pm
+++ b/fhem/FHEM/98_CustomReadings.pm
@@ -82,9 +82,9 @@ sub CustomReadings_read($)
      $isCombined = 0;
    }
    
-    my $value = 0;
+    my $value;
    if ($isCombined) {
-      $value = shift @combinedOutput;
+      $value = shift @combinedOutput; 
            
      if (!($value)) {  
        $value = 0;
@@ -96,7 +96,7 @@ sub CustomReadings_read($)
      $value = eval($definition[1]);
    }
    
-    if($value) {
+    if(defined $value) {
      $value =~ s/^\s+|\s+$//g;
    }
    else {