On: A decade of dotfiles

[yencabulator]

> boop plays a happy sound if the previous command exited successfully (i.e., exited with status code 0) and a sad sound otherwise.

Similarly, but using speech synthesis to tell which command is done: https://github.com/tv42/audibly

    audibly rsync junk server:/data/

says "success: rsync" or "failure: rsync" at the end.