From: Raine Virta <rane@kapsi.fi>
Date: Tue, 3 Mar 2009 06:44:20 +0000 (+0200)
Subject: utils: add a helper method for creating comma separated lists
X-Git-Url: https://git.netwichtig.de/gitweb/?a=commitdiff_plain;h=ab0c959bc7305d853e4a52b2a0f25a5fc78f4bfb;p=user%2Fhenk%2Fcode%2Fruby%2Frbot.git

utils: add a helper method for creating comma separated lists
---

diff --git a/lib/rbot/core/utils/utils.rb b/lib/rbot/core/utils/utils.rb
index 77bdeecf..f9912ebb 100644
--- a/lib/rbot/core/utils/utils.rb
+++ b/lib/rbot/core/utils/utils.rb
@@ -723,6 +723,20 @@ module ::Irc
       return retval
     end
 
+    # Returns a comma separated list except for the last element
+    # which is joined in with specified conjunction
+    #
+    def Utils.comma_list(words, options={})
+      defaults = { :join_with => ", ", :join_last_with => _(" and ") }
+      opts = defaults.merge(options)
+
+      if words.size < 2
+        words.last
+      else
+        [words[0..-2].join(opts[:join_with]), words.last].join(opts[:join_last_with])
+      end
+    end
+
   end
 end