#!/bin/bash echo $$ > /tmp/kb-layout-signal-watcher.pid CAPS_INPUT=$(ls /sys/class/leds/ | grep caps | head -n 1) echo $CAPS_INPUT LAST_KB_LAYOUT="" while : do CURRENT_KB_LAYOUT=$(cat /tmp/kb-layout) if ! [[ "$LAST_KB_LAYOUT" == "$CURRENT_KB_LAYOUT" ]]; then if [[ "$CURRENT_KB_LAYOUT" == "1" ]]; then #echo 0 echo 0 | sudo tee "/sys/class/leds/$CAPS_INPUT/brightness" else #echo 1 echo 1 | sudo tee "/sys/class/leds/$CAPS_INPUT/brightness" fi LAST_KB_LAYOUT="$CURRENT_KB_LAYOUT" fi sleep .1 done