gistfile1.txt

#!/usr/bin/env ruby
#
require 'rubygems'
require 'open-uri'
require 'nokogiri'
require 'ruby-growl'

already_notified = []
while true do
  doc = Nokogiri::HTML(open('http://www.bln.fm/feed/podcast/songinfo-alx.html'))
  artist = doc.css('div#homeDisplayArtist').first
  track  = doc.css('div#homeSongTitle').first
  current = { :artist=> artist && artist.content, :track => track && track.content }
  unless already_notified.include?(current)
    already_notified << current
    g = Growl.new("127.0.0.1", "ruby-growl", ["ruby-growl Notification"])
    g.notify("ruby-growl Notification", "bln.fm", "#{current[:artist]} - #{current[:track]}")
  end
  sleep 10
end