class WWW::Mechanize::FileSaver

def initialize(uri=nil, response=nil, body=nil, code=nil)
  super(uri, response, body, code)
  path = uri.path.empty? ? 'index.html' : uri.path.gsub(/^[\/]*/, '')
  path += 'index.html' if path =~ /\/$/
  split_path = path.split(/\//)
  filename = split_path.length > 0 ? split_path.pop : 'index.html'
  joined_path = split_path.join(::File::SEPARATOR)
  path = if joined_path.empty?
    uri.host
  else
    "#{uri.host}#{::File::SEPARATOR}#{joined_path}"
  end
  @filename = "#{path}#{::File::SEPARATOR}#{filename}"
  FileUtils.mkdir_p(path)
  save_as(@filename)
end