[bin] Clean up fade script

This commit is contained in:
2022-01-13 10:22:30 -05:00
parent 1addc1ed46
commit b66e7859ec

View File

@ -1,13 +1,12 @@
#!/bin/bash
hostname=`hostname`
max_brightness=`cat /sys/class/backlight/intel_backlight/max_brightness`
brightness=`cat /sys/class/backlight/intel_backlight/brightness`
max_brightness=$(cat /sys/class/backlight/intel_backlight/max_brightness)
brightness=$(cat /sys/class/backlight/intel_backlight/brightness)
step=$(( max_brightness / 8 ))
inc=2
low_delta=$(( brightness - step ))
high_delta=$(( brightness + step ))
if ( [ $1 = 'down' ] && [ $low_delta -ge $step ] ) || ( [ $1 = 'up' ] && [ $high_delta -le $max_brightness ] )
if { [ "$1" = "down" ] && [ $low_delta -ge $step ]; } || { [ "$1" = "up" ] && [ $high_delta -le "$max_brightness" ]; }
then
for i in $(seq $step); do
case $1 in
@ -20,5 +19,5 @@ then
esac
done
else
echo 'Brightness too high. Use `off` parameter to turn backlight off'
echo "Brightness too high or low"
fi