gem install id3lib-rubyでインストール。以下ソース。 #!ruby -Ku require "rubygems" require "id3lib" dir = 'C:\Music' flist = [] flist = Dir.entries(dir) flist.each do |f| if f =~ /mp3/ then tag = ID3Lib::Tag.new(dir + "\\" + f) info = tag.artist + ":[" + tag.title + "]" + " from " + "\"" + tag.album + "\"" puts info end end 結果。 Jessica Cole:[Maker of Life] from "My Story" Jessica Cole:[Psalms 134] from "My Story