write (Merb::Cache::FileStore)

    # File lib/merb-cache/stores/fundamental/file_store.rb, line 37
        def write(key, data = nil, parameters = {}, conditions = {})
          if writable?(key, parameters, conditions)
            if File.file?(path = pathify(key, parameters))
              write_file(path, data)
            else
              create_path(path) && write_file(path, data)
            end
          end
        end