Am I right in thinking that pulling the power cable cannot be directly
detected by sensorsd, because a 'state change' does not occur? A la...

hw.sensors.acpibat0.raw0=1 (battery discharging), OK


hw.sensors.acpibat0.raw0=2 (battery charging), OK

I want to detect whether the power status changes, within a short period
of time, regardless of remaining battery life, then do something
visible/audible so I can notice, and do something/s to reduce power
consumption. As a first step, dimming the screen would be meet both goals.

I would like the effect to be nearly instant, but if it's not instant
that's okay. And I'd like to avoid monitoring a dependent variable like
hw.sensors.acpibat0.power0 and then checking the A/C status every time a
change is detected.


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