A simple (Linux) sh script to launch a jar in background

run-blog.sh

#! /bin/sh    

# sh run-blog.sh start|stop
                                           
PIDFILE="/root/blog.pid"
JAVA_HOME="/opt/jdk"
JARFILE="/root/uzi-vertx-shadow.jar"                   
                                           
case $1 in                                 
    start)                                 
            if [ ! -f $PIDFILE ]; then
				nohup $JAVA_HOME/bin/java -jar $JARFILE 2>> /dev/null >> /dev/null &
				echo $! > $PIDFILE
				echo "blog started!"
			else
				echo "blog is already running ..."
			fi                               
    ;;                                     
                                           
    stop)     
			if [ -f $PIDFILE ]; then
				PID=$(cat $PIDFILE);
				echo "Stopping blog..."
				kill $PID;
				echo "blog stopped!"
				rm $PIDFILE
			else
				echo "blog is not running ..."
			fi
                                           
    ;;                                     
                                           
    *)                                     
        echo "Usage: run-blog.sh start stop"
    ;;                                     
esac