stealing_from_amazon.rb

# encoding: utf-8
require 'parallel'
require 'cgi'
require 'mechanize'
require 'open-uri'
require 'pathname'
require 'uri'

def	product_name(asin)
	url = "http://www.amazon.com/dp/#{asin}"
	begin
		open(url).read =~ /<title>(.*?)<\/title>/
		result = $1
		result = result.to_s.gsub("Amazon.com: ", "").gsub(": Video Games","")
		CGI.unescapeHTML(result)
	rescue
		""
	end
end


file = File.open("asin_product_name.txt", "a")
file.sync = true

asins = []
File.open("ASIN").each_line do |asin|
	asins << asin.strip!
end

Parallel.map(asins, in_threads: 10) do |asin|
  product_name = product_name(asin)
  puts "[#{asin}] #{product_name}"
  file.puts [asin, product_name].join("\t") unless product_name.empty?
end

file.close