I wrote a sed in go a few years back, just to do it. The engine is a Reader so you can use a sed-processed stream anywhere a Reader is accepted. There’s also a

I wrote a sed in go a few years back, just to do it. The engine is a Reader so you can use a sed-processed stream anywhere a Reader is accepted. There’s also a command-line driver of course. https://github.com/rwtodd/Go.Sed https://github.com/rwtodd/Go.Sed