From 2a56742cbbc24ec32b899ac54667aee89938a0a1 Mon Sep 17 00:00:00 2001
From: Jordan Sissel <jls@semicomplete.com>
Date: Sun, 20 Feb 2011 02:41:23 -0800
Subject: [PATCH] - += if an array, otherwise << shift in

---
 lib/logstash/config/grammar.rl | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/logstash/config/grammar.rl b/lib/logstash/config/grammar.rl
index 23c508046..618a66050 100644
--- a/lib/logstash/config/grammar.rl
+++ b/lib/logstash/config/grammar.rl
@@ -60,7 +60,11 @@ require "logstash/namespace"
     value = @stack.pop
     name = @stack.pop
     #puts "parameter: #{name} => #{value}"
-    @parameters[name] << value
+    if value.is_a?(Array)
+      @parameters[name] += value
+    else
+      @parameters[name] << value
+    end
   }
 
   action plugin {