在豆瓣找房子ing

rent.rb

%w[open-uri nokogiri].map &method(:require)
@regexp = Regexp.new ENV['租房']
(0..19).to_a.map do |n|
  html = Nokogiri open("http://www.douban.com/group/beijingzufang/discussion?start=#{n*25}")
  html.css(".article table.olt tr td a").map {|i| {:title => i.attributes['title'].to_s, :href => i.attributes['href'].to_s}}.map do |h|
    if h[:title].match @regexp
      puts h.inspect
      h[:href]
    end
  end
end.flatten.compact.each {|href| `open -a safari #{href}` }