last_fm_ruby_weekly_albums.rb

#!/usr/bin/ruby -w

require 'rubygems'
require 'net/http'
require 'rexml/document'

include REXML

API_KEY = 'KEY GOES HERE'
LASTFM_USER = 'USERNAME GOES HERE'

user_url = "http://ws.audioscrobbler.com/2.0/?method=user.getweeklyalbumchart&user=#{LASTFM_USER}&api_key=#{API_KEY}"
user_xml_data = Net::HTTP.get_response(URI.parse(user_url)).body

user_xml_doc = REXML::Document.new(user_xml_data)

album_artist = XPath.each(user_xml_doc, "//album/artist/")
album_name = XPath.each(user_xml_doc, "//album/name/")

puts "This is #{LASTFM_USER}'s weekly chart of top albums!"
for k in 0...album_artist.to_a.length
  puts "Artist: #{album_artist.to_a[k].text} - Album: #{album_name.to_a[k].text}"
end