nick_name.rb

require 'rubygems'
require 'hpricot'
require 'open-uri'
require 'iconv'
url = "http://www.douban.com/group/yly/discussion?start="
(11..60).each do |i|
  sleep 1
  html  = open(url + i.to_s)
  doc   = Hpricot.parse html
  names = doc.search("div.article//tr/td[2]/a/*")
  File.open("names_1.txt", "a+") do |file|
    file.write names.to_a.uniq.join("\n")
  end
end