mysql备份与删除7天前备份的shell脚本

#!/bin/bash
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH

clear;

username=""
passwd=""
mysqlhost=""
backuppath=""

#备份数据库
function mysqlbackup() {
#把数据库赋值给数组变量
mysqldata=`mysql -h$mysqlhost -u$username -p$passwd -e"show databases"|grep -vE "mysql|information_schema|performance_schema|Database"`
for i in ${mysqldata[@]}
do
#先清理空间然后备份
  find $backuppath -name $i\_*.zip -type f -mtime +7 -exec rm {} \;
#备份后压缩保存
  mysqldump --opt -h$mysqlhost -u$username -p$passwd $i |gzip > $backuppath/$i\_$(date +%Y%m%d%H%M).zip
done
}
function dataftp() {
ftphost=''
ftpusr=''
ftpd=''

ftp -v -n $ftphost<<!
user $ftpusr $ftpd
binary
passive
lcd $backuppath
cd /
mput *$(date +%Y%m%d)*
close
bye
!
}
#调用mysqlbackup
mysqlbackup
#调用FTP上传备份
dataftp