wiki_lyrics script enhancement

I hate it when wiki_lyrics fails if a track does not have Artist info. This happens for most of the online radio stations as they send all the track info only in Title metainfo. I modified the script to parse artist info and title info which are separated by a '-' and get the lyrics from that info. Here is the script ...

--- amarokmetalyrics.rb.bak     2007-03-12 00:06:08.213744500 -0500
+++ amarokmetalyrics.rb 2007-03-12 00:06:28.026982750 -0500
@@ -261,11 +261,19 @@
                on_configure()
           when 'fetchLyrics'
                args = message.split()
-               if args.length < 3
+               if args.length < 2
                   Amarok.show_error()
                else
                   artist = Amarok.get_current_artist().to_s()
                   title  = Amarok.get_current_title().to_s()
+                  if artist.empty?
+                     tmpartist, tmptitle = title.split( '-' )
+                     if tmptitle == nil
+                        title = tmpartist; artist = '';
+                     else
+                        title = tmptitle; artist = tmpartist;
+                     end
+                  end
                      on_fetch_lyrics(
                         Strings.cleanup_artist( artist, title ),
                         Strings.cleanup_title( title ),