Gets a list of all the avatar items for a specified Xbox360 game. The program requires a title id for each game which is an 8-digit id that can be found in the URL of game's webpage on xbox.com

xboxavatar.rb

require 'rubygems'
require 'nokogiri'
require 'open-uri'

if ARGV.length != 1
	puts "Usage: xboxavatar title-id"
	exit
end

begin
	page = Nokogiri::HTML(open("http://marketplace.xbox.com/en-US/Product/Halo-3/66acd000-77fe-1000-9115-d802#{ ARGV[0] }?DownloadType=AvatarItem#LiveZone"))   

	avatarItems = page.css(".grid-18")
	for item in avatarItems.drop(2)
		puts item.css("h2").text.strip
	end
rescue OpenURI::HTTPError => error
	puts "Invalid title id"
end