An unnecessarily minimal backlight controller
$ abak ; output: current backlight percentage
$ abak 20 ; sets backlight to 20%
$ abak +10 ; adds 10% to backlight
$ abak -10 ; subtracts 10% from backlight
(warning: I’m lazy - this makefile just builds the thing and moves it to /bin/)
2.
sed -i -e "s/intel_backlight/$(ls /sys/class/backlight)/g" ./config.asm
make install