def directories()
       #recursively goes through an html directory listing.

        current_directories = @dir.directories.dup
        current_directories.each do |dir|
            @dir.cd(dir)
            #puts "Directories: #{@dir.directories.inspect}"
            #puts "Files: #{@dir.files.inspect}"
            yield @dir.current_dir, @dir.files
            directories()
        end
        @dir.cdup
    end

    def download()
        directories{|dir, files| puts "Directory: #{dir.inspect} -- Files: #{files.inspect}"}
    end