shell脚本（三）

1. 自动备份数据库脚本
   

#!/bin/bash
#auto bakcup mysql
#by 2015-7-2

BAK_DIR="/data/backup/`date +%Y%m%d`"
MYSQL_DB=discuz
MYSQL_USER=root
MYSQL_PW=123456
MYSQL_CMD=/usr/bin/mysqldump

if [ $UID -ne 0 ]; then

echo "Must to be use root for run shell.."

        exit
fi

if [ ! -d "$BAK_DAR" ]; then

        mkdir -p $BAK_DIR

        echo -e "\033[32mthe $BAK_DIR is create successfully\033[0m"

else
        echo "this $BAK_DIR is exists......"

fi
#mysql backup commend
$MYSQL_CMD -u$MYSQL_USER -p$MYSQL_PW  $MYSQL_DB>$BAK_DIR/$MYSQL_DB.sql

if [ $? -eq 0 ] ; then

        echo -e "\033[32mthe mysql $MYSQL_DB is backup successfully\033[0m"
else
        echo -e "\033[32mthe mysql $MYSQL_DB is backup failed,please check\033[0m"

fi

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shell脚本（三）

原文：http://woshitieren.blog.51cto.com/2466034/1670336