goear.rb

# coding: utf-8
require 'rubygems'  
require 'nokogiri'  
require 'open-uri'  
require 'cgi'
  
class Goear
  def self.find(song)
    puts "Searching for #{song}"
    url = "http://www.goear.com/search.php?q=#{CGI.escape(song)}"
    doc = Nokogiri::HTML(open(url))  
    link = doc.css(".textobuscar a").select{|link| link[:href] =~ /listen\/[a-z0-9]+\/.*/}.compact
    (link and link.first and link.first[:href] ? link.first[:href] : nil)
  end

  def self.find_from_file(file)
    links = File.foreach(file).collect do |line|  
      artist, song, foo = line.strip.gsub(/–/, ' - ').split('-')
      find("#{artist.strip} - #{song.strip}")
    end.compact
  end

  def self.export_to_file(from, to)
    links = find_from_file(from)
    puts "Writing #{links.length} links to #{to}..."
    File.open(to, 'w') do |file|  
      links.each do |link|
        file.puts "http://www.goear.com/#{link}"
      end
    end 
    puts "Done!"
  end
end
Goear.export_to_file("/home/oriol/mp3/spotify.txt", "/home/oriol/mp3/goear.txt")