tabfinder.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'hpricot'
require 'open-uri'

song_name = ARGV.join(" ")

class RukindSongFinder
  def initialize(song_name)
    @song_name = song_name
  end

  def print_tab
    doc = Hpricot(open('http://www.rukind.org/gdpedia/titles/show/%s' % song_id))
    puts('http://www.rukind.org/gdpedia/titles/show/%s' % song_id)
    puts doc.at( 'h1').inner_html.center(80)
    puts (doc / 'h3 > em').inner_html.center(80)
    (doc / 'pre').each do |pre|
      pre.children.each do |child|
        if child.is_a? Hpricot::Text
          puts child
        end
      end
    end
  end

  def song_id
    doc = Hpricot(open('http://www.rukind.org/html/music/gdtunes/menus/titlemenu.html'))
    links = (doc / 'table > tr > td > div > a')

    links.each do |link|
      if clean(link.parent[:id]) == clean(@song_name)
        return link[:href].gsub(/.*?(\d+)$/, '\1').to_i
      end
    end

    raise "Song not found: #{ @song_name }"
  end
  
  private

  def clean(str)
    str.gsub(/[^A-Za-z]/, '').downcase
  end
end

RukindSongFinder.new(ARGV.join(' ')).print_tab