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#!/bin/bash DATE=$(date +%F_%H-%M-%S) HOST=127.0.0.1 USER=root PASS=Linux@123 PORT=3306 BACKUP_DIR=./db_backup # ɾѡ¿Í»§×Ô½¨Êý¾Ý¿â£¨Åųýϵͳ¿â£© DB_LIST=$(mysql -u$U