16 lines
300 B
Bash
Executable File
16 lines
300 B
Bash
Executable File
#!/bin/bash
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kbdb='/sys/devices/platform/applesmc.768/leds/smc::kbd_backlight/brightness'
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step=25
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current=`cat $kbdb`
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new=$current
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if [ "$1" == "up" ];then
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new=$(($current + $step))
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elif [ "$1" == "down" ];then
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new=$(($current - $step))
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fi
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if [ $new -le 0 ];then
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new=0
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fi
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echo $new > $kbdb
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