#!/bin/bash

SLEEP_TIME="5"
APP="ls *.mp3"
DEBUG="1"

timer() {
	if [[ $DEBUG = 1 ]]
	then
		echo "Sleeping for $SLEEP_TIME seconds..."
	fi
	sleep $SLEEP_TIME 
	run_app
}

run_app() {
	if [[ $DEBUG = 1 ]]
	then
		echo "Running application.."
	fi
	$APP 2>/dev/null
	timer
}

case "$1" in
	start)
		timer
		;;
	stop)
		echo "Stopping $0..."
		exit
		;;
	*)
		echo "Usage: $0 {start|stop}"
	;;
esac