Shell Script _ Start stop restart SH script

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#!/bin/sh## java envexport JAVA_HOME=/usr/java/jdk1.7.0_79export JRE_HOME=$JAVA_HOME/jre## service name## 服务所在目录SERVICE_DIR=/usr/local/services/dubbodemo## 服务名称SERVICE_NAME=dub-service-demoJAR_NAME=$SERVICE_NAME\.jarPID=$SERVICE_NAME\.pidcd $SERVICE_DIRcase "$1" in    start)        ##nohup &  以守护进程启动        nohup $JRE_HOME/bin/java -Xms256m -Xmx512m -jar $JAR_NAME >/dev/null 2>&1 &        echo $! > $SERVICE_DIR/$PID        echo "=== start $SERVICE_NAME"        ;;    stop)        kill `cat $SERVICE_DIR/$PID`        rm -rf $SERVICE_DIR/$PID        echo "=== stop $SERVICE_NAME"        ## 停止5秒        sleep 5        ##        P_ID=`ps -ef | grep -w "$SERVICE_NAME" | grep -v "grep" | awk ‘{print $2}‘`        if [ "$P_ID" == "" ]; then            echo "=== $SERVICE_NAME process not exists or stop success"        else            echo "=== $SERVICE_NAME process pid is:$P_ID"            echo "=== begin kill $SERVICE_NAME process, pid is:$P_ID"            kill -9 $P_ID        fi        ;;    restart)        $0 stop        sleep 2        $0 start        echo "=== restart $SERVICE_NAME"        ;;    *)        ## restart        $0 stop        sleep 2        $0 start        ;;esacexit 0

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Shell Script _ Start stop restart SH script