top.rb

#!/usr/bin/env ruby

require 'nokogiri'

file = File.expand_path '~/../Dropbox/Public/2012.xml'

xml = Nokogiri::XML( File.new( file ) );
albums = xml.xpath '//key[. = "Album"]'

all = []

albums.each do |album|
    artist = album.parent.at_xpath( './/key[. = "Artist"]' )
    all.push( {
        artist: artist.next.content,
        album: album.next.content
    } )
end

all = all.uniq { |x| x[:album] }
all.sort! { |x,y| x[:artist].downcase <=> y[:artist].downcase }


all.each { |album| puts "#{album[:artist]} - #{album[:album]}\r" }