gistfile1.txt

#config/application.rb
    config.exceptions_app = self.routes

#config/routes.rb
  match "/404.:format", :to => "application#error_route_not_found"

#app/controllers/application.rb
  def error_route_not_found
    respond_to do |format|
      format.html { render 'errors/route_not_found', :status => :not_found }
      format.any { render :nothing => true, :status => :not_found }
    end
  end


#command line
> curl "http://www.localhost:3000/nowhere.xml" => # bunch of html.. only want to return the status code when the format is not html!