###### 备份数据库的脚本###############
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#author rrhelei@126.com#
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user=backup
passwd=MANAGER
host=192.168.1.250
date=`date +%Y%m%d`
mysql_bin=/usr/local/mysql/bin
$mysql_bin/mysqldump-u$user -p$passwd -h$host --single-transaction test > /databackup/test/$date.sql
if[ -f /databackup/test/$date.sql ]
then
cd /databackup/test;tar -cvzf $date.sql.tar.gz $date.sql
rm -fr $date.sql
fi
find/databackup/test/ -type f -name"*sql*" -mtime +30| xargs rm -fr {};原文：http://suifu.blog.51cto.com/9167728/1758022