random/lucine-keyboard/lucine.sh

#!/bin/bash

blink() {
    time=$1
    delay=$2
    for i in $(seq 1 $time)
    do
	echo 1 > /sys/class/leds/input$INPUT::capslock/brightness
	echo 1 > /sys/class/leds/input$INPUT::scrolllock/brightness
	echo 1 > /sys/class/leds/input$INPUT::numlock/brightness
	sleep $delay
	echo 0 > /sys/class/leds/input$INPUT::capslock/brightness
	echo 0 > /sys/class/leds/input$INPUT::scrolllock/brightness
	echo 0 > /sys/class/leds/input$INPUT::numlock/brightness
	sleep $delay
    done     
}

INPUT=$(ls /sys/class/leds/ | grep input[^0] | cut -d ':' -f 1 | sed 's/input//g' | head -n 1)

if [[ ! -n $INPUT ]];
then
    echo "You woot?"
    exit 1
fi

logger "lucine started on input $INPUT"

blink 2 1

pipe="/tmp/lucine"

trap "rm -rf $pipe" EXIT

if [[ ! -p $pipe ]];
then
    mkfifo $pipe
    chmod 666 $pipe
fi

while :
do
    if read line <$pipe;
    then
	command=$(echo $line | cut -f 1 -d ' ')
	case $command in
	    blink)
		time=$(echo $line | cut -f 2 -d ' ')
		delay=$(echo $line | cut -f 3 -d ' ')
		blink $time $delay
		;;
	    quit)
		break;	       
		;;
	    *)
		;;
	esac     
    fi
done