核心代码：
if [ $count -eq 0 ]; then
case $myhost in
nginx)
cd /usr/local/webserver/nginx/sbin/
./nginx
echo "nginx has be down"
sleep 5
mysql)
/etc/init.d/mysqld start
echo "mysql has be down"
*)
echo "what‘s the hell?"
esac
fi
done
set +x
一个shell for循环与case结合的脚本(监控程序状态)
原文：http://www.jb51.net/article/42924.htm