ruby - 搜索网站内容

Question

如何使用 ruby​​ 搜索网站源代码，很难解释，但这是用 python 执行的代码

import urllib2, re
word = "How to ask"
source = urllib2.urlopen("http://stackoverflow.com").read()
if re.search(word,source):
     print "Found it "+word

Answer 1

这是一种方法:

require 'open-uri'
word = "How to ask"
open('http://stackoverflow.com') do |f|
  puts "Found it #{word}" if f.read =~ /#{word}/
end