Get url for current page, but with a different format

Question

Using rails 2. I want a link to the current page (whatever it is) that keeps all of the params the same but changes the format to \'csv\'. (setting the format can be done b

Answer 1

@floor's answer was great, I found it very useful.

Although the method can be improved by using the to_params method rather than contructing your own, like so:

def current_url(new_params)
  params.merge!(new_params)
  "#{request.uri}#{params.to_params}"
end