#!/usr/local/bin/ruby #https://anond.hatelabo.jp/archive/200609 #https://anond.hatelabo.jp/archive/201708 url = "https://anond.hatelabo.jp/archive/2006" (0..12).each do |n| # n.to_s n = "0" + n.to_s if n =~ %r|[0-9]?| puts url + n.to_s end