gistfile1.rb

#!/usr/bin/ruby
require 'taglib'

Dir.foreach("/home/music/") do |filename|
  # Load a file
  TagLib::FileRef.open (filename) do |fileref|
    tag = fileref.tag
    File.rename ( "/home/music/#{filename}","/home/music/#{tag.title}-#{tag.artist}.mp3")
  end
end  # File is automatically closed at block end