# File lib/merb-core/controller/mixins/controller.rb, line 294
    def nginx_send_file(path, content_type = "")
      # Let Nginx detect content type unless it is explicitly set
      headers['Content-Type']        = content_type
      headers["Content-Disposition"] ||= "attachment; filename=#{path.split('/').last}"
      
      headers['X-Accel-Redirect']    = path
      
      return ' '
    end