AliExpress Price Parsing with Ruby and Nokogiri

# Ruby AliExpress price fetch example
# Requires nokogiri (sudo gem install nokogiri)
# Save and run as ./ruby.rb
# Written 25.03.2017 by Security XIII

require 'open-uri'
require 'nokogiri'

url = 'http://ru.aliexpress.com/item/6-12Colors-Non-toxic-Crayon-edible-baby-drawing-Supplies-ring-toy-Easy-to-erase-educational-toys/32753968959.html'
id = 'j-sku-discount-price'

doc = Nokogiri::HTML(open(url))
puts doc.css("span[id=#{id}]").inner_text