ruby语言

UdRcVXoK

File.open("songdata") do |song_file|
songs=SongList.new

song_file.each do |line|
file,length,name,title=line.chomp.split(/\s*\|\s*/)
songs.append(Song.new(title,name,length))
end
puts song[1]
end

怎么打开这个文件，在doc下怎么运行
("songdata") 中内容：
/jazz/j00132.mp3     |3:45| Fats Waller     | Ain't Misbenhaving'
/jazz/j00319.mp3     |2:58| Louis  Armstrong |Wonderful World
/bgrass/bg0732.mp3|4:09| Stringth in Numbers |Texas Red