soundslike

#!/usr/bin/env ruby
require 'nokogiri'
require 'open-uri'
if ARGV.empty?
  puts "You must supply an artist name as an argument"
  exit
end
artist = ARGV[0]
if ARGV.length == 1
  artist_limit = 4
  song_limit = 2
elsif ARGV.length == 2
  artist_limit = ARGV[1]
  song_limit = 2
else
  artist_limit = ARGV[1]
  song_limit = ARGV[2]
end
artist = artist.downcase.tr(" ", "+")
puts "looking up artists similar to #{artist}"
doc = Nokogiri::HTML(open("http://www.last.fm/music/#{artist}/+similar"))
artists = doc.css("h3.remove-bottom-margin")

processes = []
puts "attempting to download:"
(0...artist_limit.to_i).each do |i|
  puts artists[i].content
  processes << Process.fork do
    response = %x( songs "#{artists[i].content}" #{song_limit} )
    puts response
    exit
  end
end

puts "parent, pid #{Process.pid}, waiting on children #{processes.inspect}"
Process.waitall
puts "parent exiting"