简洁版：

#! /bin/bash # author caoxin # time 2012-10-10 # program : 判断进行是否存在，并重新启动 function check(){ count=`ps -ef |grep $1 |grep -v "grep" |wc -l` #echo $count if [ 0 == $count ];then nohup python /runscript/working/$1 & fi } check behaviors.py

详细版：

#!/bin/bash # #调用关闭jboss进程脚本 stopMethodServer.sh #打印出当前的jboss进程：grep jboss查询的jboss进程，grep -v "grep" 去掉grep进程 jmsThread=`ps -ef | grep gdms | grep jboss | grep -v "grep"` echo $jmsThread #查询jboss进程个数：wc -l 返回行数 count=`ps -ef | grep gdms | grep jboss | grep -v "grep" | wc -l` echo $count sec=7 #开始一个循环，以判断进程是否关闭 for var in 1 2 do if [ $count -gt 0 ]; then #若进程还未关闭，则脚本sleep几秒 echo sleep $sec second the $var time, the JMS thread is still alive sleep $sec else #若进程已经关闭，则跳出循环 echo "break" break fi done #if [ $count -eq 0 ]; then # echo "nohup startMethodServer.sh &" # nohup startMethodServer.sh & #else # echo "It's better to check the thread!!!" #fi #调用启动脚本 nohup startMethodServer.sh &