Twitterのアイコンをランダムでキルミーベイベー(http://killmebaby.tv/special_icon.html)にするやつ

kmb.rb

# --- Usage ---
# ruby kmb.rb init 
# ruby kmb.rb change

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

Twitter.configure do |config|
  config.consumer_key = ''
  config.consumer_secret = ''
  config.oauth_token = ''
  config.oauth_token_secret = ''
end

img_dir = File.expand_path('~/kmb')
FileUtils.mkdir_p(img_dir)
case ARGV[0]
when "init"
  doc = Nokogiri::HTML(open("http://killmebaby.tv/special_icon.html"))
  doc.xpath('//*[@id="icon_waku"]/div/table/tr/td/img').each do |img_tag|
    img_url = 'http://killmebaby.tv/' + img_tag.attributes["src"].value
    File::open("#{img_dir}/#{img_url.gsub(/^.+\//, '')}", "wb") do |file|
      open(img_url) do |img|
        file.write(img.read)
      end
    end
  end
when "change"
  img_files = Dir.glob("#{img_dir}/*")
  img_file = img_files[rand(img_files.length)]
  Twitter.update_profile_image(File.new(img_file))
end