shell实现程序重启

NAME="demo-0.0.1-SNAPSHOT.jar" #想要杀死的进程
ID=`ps -ef | grep "$NAME" | grep -v "grep" | awk '{print $2}'`
if [ -z "$ID" ];then
　　echo "process id is empty, process is not existed..."
　　nohup java -jar /home/output/demo-0.0.1-SNAPSHOT.jar > /home/output/$jarname-log.log 2>&1 &
　　echo "process has start..."
else
　　echo $ID
　　　　for id in $ID
　　　　do
　　　　kill -9 $id
　　　　echo "killed $id"
　　done
　　nohup java -jar /home/output/demo-0.0.1-SNAPSHOT.jar > /home/output/$jarname-log.log 2>&1 &
　　echo "process has restart..."
fi