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Message: [QUOTE="Jano Svitok, post: 4606428"] 1. Please bottom post (i.e. write your reply under the previous one). It's easier to read. 2. For rails related questions, [URL]http://groups.google.com/group/rubyonrails-talk[/URL] is more suitable - you'll get better/more specific answers there. Nonetheless, this is a nice ruby question, so here you go: params.each do | key, value| url << key << "=" << value << "&" end Notes: 1. it's either do...end or {...}, 2. each for Hash takes two-parameter block see [URL]http://ruby-doc.org/core/[/URL], class Hash. you'll find there a lot of nice and useful stuff. For this particular case, Enumerable#map and Array#join are handy: url = params.map {|key, value| "#{key}=#{value}" }.join('&') This way you won't have the trailing &. J. [/QUOTE]