Real time TFL London Tube updates - Ideal for use as a Geeklet using with GeekTool / NerdTool

tfl_updates.rb

require 'rexml/document'
require 'net/http'
include REXML

@location = 'http://cloud.tfl.gov.uk/TrackerNet/LineStatus'
@file = Net::HTTP.get_response(URI.parse(@location))    
@xml = REXML::Document.new(@file.body)
@xml.elements.each("ArrayOfLineStatus/LineStatus") do |element|
  puts "#{element[3].attribute("Name")} - #{element[5].attribute("Description")}"
end