# frozen_string_literal: true

require 'nokogiri'
require 'open-uri'

puts 'what to crawl'
# url = gets.chomp
url = 'http://boards.4chan.org/d/thread/8571429'

url = url.open
result = URI.extract(url).select { |a| a[/\.(?:gif|png|jpg|jpeg)\b/] }

cmd "wget #{result}"