out

# File actionpack/lib/action_controller/cgi_process.rb, line 200
    def out(output = $stdout)
      output.binmode      if output.respond_to?(:binmode)
      output.sync = false if output.respond_to?(:sync=)

      begin
        output.write(@cgi.header(@headers))

        if @cgi.send!(:env_table)['REQUEST_METHOD'] == 'HEAD'
          return
        elsif @body.respond_to?(:call)
          # Flush the output now in case the @body Proc uses
          # #syswrite.
          output.flush if output.respond_to?(:flush)
          @body.call(self, output)
        else
          output.write(@body)
        end

        output.flush if output.respond_to?(:flush)
      rescue Errno::EPIPE, Errno::ECONNRESET
        # lost connection to parent process, ignore output
      end
    end