scrape_example.rb

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

class PlayScrape
  URL = "http://www.play.com/Search.aspx?searchtype=allproducts&searchstring=%s&page=search&pa=search&go.x=0&go.y=0"

  def initialize
  end

  def search(terms)
    page = post sprintf URL, CGI.escape(terms)
    doc = Hpricot.parse(page)
    prices = (doc/".info h6")
    titles = (doc/".info h5 a")

    results = {}
    titles.each_with_index { |title, index| results[title.inner_html] = prices[index].inner_text }
    results
  end

  def post(url)
    open(URI.parse(url)).read
  end
end

play = PlayScrape.new
pp play.search('back to the future')