摘要：
做解密发现的：1 m={}2 File.open("test1.txt") do |f|3 f.each_line do |line|4 line.chomp! #去除每行结尾的回车(\n)，加!可以改变line5 line.spl... 阅读全文
摘要：
flag = FileTest::exist?("LochNessMonster")flag = FileTest::exists?("UFO")# exists? is a synonym for exist?OK了 阅读全文