Read a character from standard input in Go (without pressing Enter)

Question

I want to my app shows:

press any key to exit ...

And when I pressed any key, it exits.

How can I achieve this?

Answer 1

go-termbox is very heavyweight. It wants to take over the entire terminal window. For example, it clears the screen on startup, which may not be what you want.

I put this together on OSX. Just a tiny getchar():

https://github.com/paulrademacher/climenu/blob/master/getchar.go