#!/bin/bash basedir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd ) PID_FILE="$basedir/treasure-hunter.pid" if [ -f $PID_FILE ]; then pid=$( cat "$PID_FILE" ) if [ -z $pid ]; then echo "There's no pid stored in $PID_FILE." else ps aux | grep "$pid" fi else echo "There's no PidFile $PID_FILE." fi