beengone: a script-friendly way to check computer idle time

I spent too long figuring this out, but I’m quite certain there are at least 3 people who can put the result to good use. I don’t know who they are yet, but they’ll show up. Eventually.


This is a companion discussion topic for the original entry at https://brettterpstra.com/2013/02/10/beengone-check-computer-idle-time