mysql库备份脚本

#!/bin/bash
HOSTNAME=root
MYPASS=abcd1234
SOCK=/var/lib/mysql/mysql.sock
DATE=$(date +%F)
MYCMD="mysql -u$HOSTNAME -p$MYPASS -S $SOCK"
MYDUMP="mysqldump -u$HOSTNAME -p$MYPASS -S $SOCK"
for date in $($MYCMD -e "show databases" | sed '1,2d')
do
$MYDUMP $date|gzip >/backup/${date}_$DATE.sql.gz
done

-rw-r--r-- 1 root root    647 12-19 18:30 abc_2013-12-19.sql.gz
-rw-r--r-- 1 root root  33351 12-19 18:30 cactidb_2013-12-19.sql.gz
-rw-r--r-- 1 root root 113438 12-19 18:30 mysql_2013-12-19.sql.gz
-rw-r--r-- 1 root root    695 12-19 18:30 stu_2013-12-19.sql.gz
-rw-r--r-- 1 root root    675 12-19 18:30 test_2013-12-19.sql.gz
-rw-r--r-- 1 root root    405 12-19 18:30 zy_2013-12-19.sql.gz