From d0e95a74d1a11d8055f5bfe74948df6beab1bb17 Mon Sep 17 00:00:00 2001
From: justme-1968 <justme-1968@users.noreply.github.com>
Date: Wed, 22 May 2013 20:23:31 +0000
Subject: [PATCH] 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
---
 fhem/FHEM/31_LightScene.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fhem/FHEM/31_LightScene.pm b/fhem/FHEM/31_LightScene.pm
index 29a4d1f60..5f199a7e3 100644
--- 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";
     }