#! /usr/bin/env ruby
#
# mp3txt - list mp3 files.
#
# Copyright (C) 2000 Satoru Takabayashi <satoru@namazu.org>
#     All rights reserved.
#     This is free software with ABSOLUTELY NO WARRANTY.
#
# You can redistribute it and/or modify it under the terms of 
# the Ruby's licence.
#
require 'id3v1' # <http://www.moonwolf.com/ruby/>
class ID3v1
  attr_reader :path
end

ARGV.map {|path|
    ID3v1.new(path)
}.sort {|a, b|
    (a["Artist"] <=> b["Artist"]).nonzero? ||
    (a["Album"] <=> b["Album"]).nonzero? ||
    (a["Title"] <=> b["Title"]).nonzero? ||
    (a.path <=> b.path).nonzero?
}.each {|id|
    printf "%s / %s / %s\n", id["Artist"], id["Album"], id["Title"]
}