Linux shell脚本检查进程PID的代码

#
# check the pid of such program
#
checkPid() {
if [ -z "`ps x grep $1 grep -v grep grep -v $0 linuxjishu/13830.html target=_blank class=infotextkey>awk '{print $1}'`" ]
then
echo "The $1 program cant run well."
fi
}