shell腳本循環判斷進程是否存在

#!/bin/sh

02

03	while true

04

do

05	process=`ps aux | grep mysqld | grep -v grep`;

06

07	if [ "$process" == "" ]; then

08

sleep 1;

09	echo "no process";

10

else

11	echo "process exsits";

12

break;

13

fi

14

done