[CDRdude]

You can make an AppleScript thing and call it from bash. I think this is the sort of documentation I used at one point: https://developer.apple.com/library/archive/documentation/La...

[armadsen]

AppleScript does work well for this. It might also be nice for somebody to write a little UNIX-y command-line app that just allows you to pop up a notification, and potentially get a response to it. Maybe I will...

[joshmanders]

https://github.com/julienXX/terminal-notifier

[sillysaurusx]

Thanks!