# File lib/merb-cache/cache-page.rb, line 75
  def expire_page(options)
    config_dir = Merb::Controller._cache.config[:cache_html_directory]
    Merb::Controller._cache.expire_key_for(options, controller_name, true) do |key, match|
      if match
        files = Dir.glob(config_dir / "#{key}*")
      else
        extension = options[:extension] || DEFAULT_PAGE_EXTENSION
        files = config_dir / "#{key}.#{extension}"
      end
      FileUtils.rm_rf(files)
    end
    true
  end