return nothing from set scene if none of the devices return anything

git-svn-id: https://svn.fhem.de/fhem/trunk@3210 2b470e98-0d58-463d-a4d8-8e2adae1ed80
2013-05-22 20:23:31 +00:00
parent 66680502ce
commit 14fe014e54
1 changed files with 2 additions and 1 deletions
--- a/fhem/FHEM/31_LightScene.pm
+++ b/fhem/FHEM/31_LightScene.pm
@@ -233,7 +233,8 @@ LightScene_Set($@)

    } elsif ( $cmd eq "scene" ) {
      $hash->{STATE} = $scene;
-      $ret .= " ". CommandSet(undef,"$d $hash->{SCENES}{$scene}{$d}");
+      $ret .= " " if( $ret );
+      $ret .= CommandSet(undef,"$d $hash->{SCENES}{$scene}{$d}");
    } else {
      $ret = "Unknown argument $cmd, choose one of save scene";
    }