用shell脚本判断进程是否存在，并重新启动

#! /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

参考的网址为：  http://blog.csdn.net/shangpusp/article/details/7210446