create and send file dynamically by rails

create_and_send_file_dynamically_by_rails

class MyController < ApplicationController

  def get_text
    data = "generated by rails controller"
    send_data(data, :filename => "rails_generated.txt", :type => "text/plain")
    #send_file 'evidence_tmp/tmp.zip', :type => "application/zip" # => when the file already exists.
  end

end