bots.rb

# twitter bots list
require 'nokogiri'
require 'open-uri'

BASE = 'http://usy.jp/twitter/index.php?%E4%BE%BF%E5%88%A9%E3%81%AABOT'

doc = Nokogiri::HTML(open(BASE))
list = doc.xpath('//a[@rel="nofollow"]')
         .map{|x| x['href']}
         .select{|link| %r|\Ahttps?://twitter\.com/| =~ link}
bots = list.map{|link| link.gsub(%r|\Ahttps?://twitter\.com/(\w+)?/?\z|, '\1')}.sort