class Jekyll::Page

def destination(dest)

Returns the destination file path String.

dest - The String path to the destination dir.

Obtain destination path. 
def destination(dest)
  @destination ||= {}
  @destination[dest] ||= begin
    path = site.in_dest_dir(dest, URL.unescape_path(url))
    path = File.join(path, "index") if url.end_with?("/")
    path << output_ext unless path.end_with? output_ext
    path
  end
end