如何将一个文本文件传输到另一个文件？

Question

我有A.txt文件如下：

AAA  Opened successfully.
BBB Cannot connect.
CCC Opened successfully.
DDD Opened successfully.
EEE Cannot connect.

如何使用批处理文件生成B.txt（仅包括不能行）：

BBB Cannot connect.
EEE Cannot connect.

谢谢，

Answer 1

一衬垫

find "Cannot" <a.txt >b.txt