# HG changeset patch
# User Mikael Berthe <mikael@lilotux.net>
# Date 1275403309 -7200
# Node ID 99477d3c2dda17a7384e7d30fb5b8cbe6fe063a4
# Parent  5c0a2db896f5c57210840e6f4e0f3385333a817e
Fix case where dict doesn't return anything

diff -r 5c0a2db896f5 -r 99477d3c2dda mcbot/cmds/dict.lua
--- a/mcbot/cmds/dict.lua	Sun May 16 13:43:31 2010 +0200
+++ b/mcbot/cmds/dict.lua	Tue Jun 01 16:41:49 2010 +0200
@@ -11,7 +11,7 @@
     local fh = io.popen(cmd)
     result = fh:read("*a")  -- read dict output
     fh:close()
-    if result:match("^$") then return nil, "dict: No output" end
+    if not result or result:match("^$") then return nil, "dict: No output" end
 
     -- Sometimes dict outpur is ugly... Let's filter out whitespace.
     result = result:gsub("[ \t]+\n", "\n"):gsub("\n\n\n+", "\n\n")