match?

# File actionpack/lib/action_dispatch/middleware/static.rb, line 13
    def match?(path)
      path = unescape_path(path)
      return false unless path.valid_encoding?

      full_path = path.empty? ? @root : File.join(@root,
        clean_path_info(escape_glob_chars(path)))
      paths = "#{full_path}#{ext}"

      matches = Dir[paths]
      match = matches.detect { |m| File.file?(m) && File.readable?(m) }
      if match
        match.sub!(@compiled_root, '')
        ::Rack::Utils.escape(match)
      end
    end