Plan 9 from Bell Labs’s /usr/web/sources/plan9/386/bin/bitsy/light

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


#!/bin/rc

#master file is /sys/src/cmd/bitsy/light.rc

switch($1){
case on
	echo -n 2 1 0x80 > /dev/backlight
case off
	echo -n 2 0 0x80 > /dev/backlight
case auto
	echo -n 1 1 0x80 > /dev/backlight
case *
	echo -n 2 1 $1 > /dev/backlight
}

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