cache_set (Merb::Cache::FileStore)

    # File lib/merb-cache/cache-store/file.rb, line 90
      def cache_set(key, data, from_now = nil)
        cache_file = @config[:cache_directory] / "#{key}.cache"
        cache_directory = File.dirname(cache_file)
        FileUtils.mkdir_p(cache_directory)
        _expire = from_now ? from_now.minutes.from_now : nil
        cache_write(cache_file, Marshal.dump([data, _expire]))
        Merb.logger.info("cache: set (#{key})")
        true
      end