Multipart response in Ruby/Rack

Question

I want my server to send a multipart response (multipart/x-mixed-replace). I\'d prefer some kind of solution using the Sinatra framework or a generic Rack app, but any examp

Answer 1

You can probably use the out.flush method for this:

class TestController < ApplicationController
  def index
    render :text => lambda { |resp, out|
      out.puts 'start'
      out.flush
      10.times do
        out.puts '.'
        out.flush
        sleep 1
      end
      out.puts 'done'
    }
  end
end

However, keep in mind that if you're using Mongrel to serve your Ruby code (as many people using RoR do), you won't be able to stream at all.