Chromebook - Tastaturbeleuchtung

Kleines Skript mit dem man die Tastaturbeleuchtung einschalten kann!

#!/bin/bash

#Hinweise:
# Editieren/Erstellen und Ausführbar machen
#   sudo rm /usr/local/bin/KeyboardLight.sh
#   sudo nano /usr/local/bin/KeyboardLight.sh
#   sudo chmod +x /usr/local/bin/KeyboardLight.sh
#
# Schreibberechtigung auf brightness-Datei geben
#     sudo crontab -e
#        @reboot /usr/bin/chmod 666 "/sys/class/leds/chromeos::kbd_backlight/brightness"
# Keyboard-Shortcut -> Super+Space

BRIGHTNESSFILE="/sys/class/leds/chromeos::kbd_backlight/brightness";
BRIGHTNESS=$(cat ${BRIGHTNESSFILE});

if [[ ${BRIGHTNESS} == '0'  ]]; then
    echo 25 > ${BRIGHTNESSFILE}
elif [[ ${BRIGHTNESS} == '25'  ]]; then
    echo 50 > ${BRIGHTNESSFILE}
elif [[ ${BRIGHTNESS} == '50'  ]]; then
    echo 75 > ${BRIGHTNESSFILE}
elif [[ ${BRIGHTNESS} == '75'  ]]; then
    echo 100 > ${BRIGHTNESSFILE}
else
    echo 0 > ${BRIGHTNESSFILE}
fi