#!/bin/bash
#back_mysql by 2016-11-14
bak_dir=/data/backup_db/`date +%Y%m%d`
mysqldb=mysql
mysqluser=*****
mysqlpw=******
if [ $UID -ne 0 ];then
 

   echo "must to be use root for exec shell"
    exit
fi
#判断是否存在文件，\033[32m是显示颜色的
if [ ! -d $bak_dir ];then
    mkdir -p $bak_dir
    echo -e "\033[32mThe $bak_dir create successfully!\033[0m"
else
    echo "This $bak_dir is exists...."
fi
#备份语句
mysqldump -u$mysqluser -p$mysqlpw -d $mysqldb >$bak_dir/$mysqldb.sql.tar.gz
#是否备份成功
if [ $? -eq 0 ];then
    echo -e "\033[32mThe mysql backup $mysqldb successfully\033[0m"
else
    echo -e "\033[32mThe mysql backup $mysqldb failed .please check!\033[0m"
fi
#执行脚本和备份结果

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备份数据库的shell脚本