shell脚本：MySQL启动简易脚本

[root@localhost baby]# cat mysql_function.sh
#!/bin/bash
. /etc/init.d/functions
path=/usr/local/mysql/bin/
function usage(){
echo "$0 {start|stop|restart}"
exit 1
}
[ $# -ne 1 ] && usage

function_mysql_start(){
$path/mysqld_safe --user=mysql &>/dev/null &
if [ $? -eq 0 ]
then
sleep 5
action "start mysql" /bin/true
else
action "start mysql" /bin/false
fi
}

function_mysql_stop(){
$path/mysqladmin -uroot shutdown &>/dev/null
if [ $? -eq 0 ]
then
action "stop mysql" /bin/true
else
action "stop mysql" /bin/false
fi
}

function_mysql_restart(){
function_mysql_stop
sleep 3
function_mysql_start
}

case $1 in
start)
function_mysql_start
;;
stop)
function_mysql_stop
;;
restart)
function_mysql_restart
;;
*)
printf "Usage:$0 {start|stop|restart}\n"
esac