match?

# File actionpack/lib/action_dispatch/middleware/static.rb, line 11
    def match?(path)
      path = path.dup

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

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