lyrics.rb

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

class String
  def numeric?
    self.to_i.to_s == self || self.to_f.to_s == self
  end
end

module Lyrics

  def self.search(query, skip = 1)
    i = 1
    url = URI.parse(URI.encode('http://canzonimetal.altervista.org/?s="' + query + '"&x=0&y=0'))
    Nokogiri::HTML(open(url)).xpath('//a[@id="featured-thumbnail"]/@href').each { |u|
      if skip <= i
        return u.to_s
      else
        i += 1
      end
    }
    nil
  end

  def self.get(url)
    contents = { :url => url }
    
    contents[:who] = ''.tap { |s|
      Nokogiri::HTML(open(url)).xpath('//div[@class="post-content box mark-links"]/ul/li').each { |u|
        s << u.content.tr('^A-Za-z0-9 ', '').gsub(/\s\s/, ' ') + "\n"
      }
    }
    
    contents[:en] = ''.tap { |s|
      Nokogiri::HTML(open(url)).xpath('//div[@class="texten"]/p').each { |u|
        s << u.to_s.gsub(/\<br\>/m, "").gsub(/\<p>/m, "\n").gsub(/\<\/p>/m, "\n")
      }
    }
    
    contents[:it] = ''.tap { |s|
      Nokogiri::HTML(open(url)).xpath('//div[@class="textit"]/p').each { |u|
        s << u.to_s.gsub(/\<br\>/m, "").gsub(/\<p>/m, "\n").gsub(/\<\/p>/m, "\n")
      }
    }
    
    contents
  end
    
end

abort 'Title required' if ARGV.empty?

title = ARGV[0]
skip  = (!ARGV[1].nil? && ARGV[1].numeric?) ? ARGV[1].to_i : 1

url   = Lyrics.search title, skip
abort 'Not found.' if url.nil?

contents = Lyrics.get url

puts contents[:url]
puts
puts ?- * 50

puts contents[:en]
puts
puts ?- * 50

puts contents[:it]