Of course it didn't port sed like that. It doesn't matter that it's open source with tons of examples/test cases. It's not going to go read all the code and cha

Of course it didn't port sed like that. It doesn't matter that it's open source with tons of examples/test cases. It's not going to go read all the code and change it to a different language. It can pick out what sed's purpose is and it built it for you in the language you asked.