A downloader for http://louie.land/wallpapers/

wallpapers.rb

require 'nokogiri'
require 'open-uri'
require 'fileutils'

base_uri = 'http://louie.land/wallpapers'

doc = Nokogiri::HTML(open base_uri)

uris = []
doc.css('.grid a').each do |link|
  uris << link
end

wallpapers_path = './wallpapers'
FileUtils.mkdir_p wallpapers_path
FileUtils.cd wallpapers_path
def download_wallpaper(uri)
  system "wget #{uri}"
end

def get_the_wallpaper(uri)
  wallpapers_base_uri = uri['href']
  doc = Nokogiri::HTML(open wallpapers_base_uri)
  doc.css('table td a').each do |link|
    download_wallpaper("#{wallpapers_base_uri}#{link['href']}") if link.content.end_with?('Desktop.jpg')
  end
end

threads = []
uris.each do |uri|
  threads << Thread.new do
    get_the_wallpaper(uri)
  end
end

threads.each { |thr| thr.join }