class Zip::FileSystem::ZipFsFile::ZipFsStat

def delegate_to_fs_file(*methods)
  methods.each do |method|
    class_eval <<-END_EVAL, __FILE__, __LINE__ + 1
      def #{method}                      # def file?
        @zip_fs_file.#{method}(@entry_name) #   @zip_fs_file.file?(@entry_name)
      end                                # end
    END_EVAL
  end
end