No, but the only thing in it that isn't trivial or already discussed is the invocation for getting the internal display's current brightness values, which is this:

    ioreg -c AppleBacklightDisplay | grep brightness | cut -d= -f2- | perl -pe's@=@:@g'

(The cut and perl commands cause it to spit out a JSON blob, instead of the vaguely JSONish format ioreg gives you.)