#!/usr/local/bin/ruby
#test.rb


require 'open-uri'
require "pp"

area = ["https://anond.hatelabo.jp/archive/200609"]
target_url = []

area.each do |l|
  OpenURI.open_uri(l).each_line do |l|
    if l =~ %r|<li><a href="/2\d+">.+</a>|
      ensen = l.slice(%r|<li><a href="/2\d+">.+</a>|, 1)
      target_url << "https://www.chintai.net#{ensen}"
    end
  end
end

=begin
target_url = []
text.each do |t|
        if t =~ %r|<li><a href="/2\d+">.+</a>|
            ensen = t.slice(%r|<li><a href="/|2\d+|">.+</a>|, 1)
            target_url << "https://www.chintai.net#{ensen}"
        end
end
=end


target_url.each do |u|
 puts u
end