>This "extra" feature argues for a "powerstatus" script and it gets an
>argument: line, battery, battery low, and other generic info about the
>battery.  I might like to know when I'm at 50%.  On the otherhand,
>maybe all of these are events.  Also, I want a transition when the
>line fails and my desktop switches over to UPS battery.  What do
>we call this?

APM doesn't have a way to do this.  It only knows about "line" and
"battery", so it's totally external to this discussion.

(You can do what you want with the several UPS packages out there, assuming
your UPS has a serial port).

--Ken