# File lib/mongrel.rb, line 540
540:     def send_file(req, response)
541:       response.start(200) do |head,out|
542:         # set the mime type from our map based on the ending
543:         dot_at = req.rindex(".")
544:         if dot_at
545:           ext = req[dot_at .. -1]
546:           if MIME_TYPES[ext]
547:             head['Content-Type'] = MIME_TYPES[ext]
548:           end
549:         end
550: 
551:         open(req, "rb") do |f|
552:           out.write(f.read)
553:         end
554:       end
555:     end