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2002-08-16 12:19 / pmset »
Well, man -k power is what I should've done first in the last entry. That
brings up pmset - a command
that 'changes power management settings such as idle sleep timing and
wake on LAN' - perfect, and saves its changes in /var/db/SystemConfiguration/com.apple.PowerManagement.xml - also perfect since that's exactly
the file that gets overwritten when you move the sliders up and down in energy
saver (in 10.1.5).
But I couldn't get it to work. It just printed the usage message every time.
In a fit of bravery though - having seen just how short the source code is - I thought I'd see where it was failing. So a checkout of IOKitUser, a separate
download of IOPMLibPrivate.h, and I can compile my own version with cc -framework iokit -framework foundation -o pmset pmset.c. The result?: A few printfs shows that it dies basically because I don't have a battery. Even if
I force it to ignore that fact, it dies on a bus error. So I guess it was just meant
for laptops. Ho-hum.
