非常简单的shell备份脚本
所要备份的库，以参数的形式传递进去，删除30天以前的备份文件备份目录若不存在就创建之，/back/mysql/
#!/bin/bash
DATABASE=$1
USERNAME="root"
PASSWD="redhat"
BACKUPDIR="/backup/mysql"
CURDATE=`date +%F`
lOG="/var/log/mysqlbackup.log"
[ $? -eq 1 ] || {
echo "Usage: $0 DATE"
exit 99
}
[ -d $BACKUPDIR ] || mkdir -p $BACKUPDIR
mysqldump -u $USERNAME -p$PASSWD $DATEBASE >$BACKUPDIR/backup-$CURDATE.sql
[ $? -gt 0 ] && {
echo -e "$CURDATE--mysql:backup $DATABASE error\n" >> $LOG
exit 99
}
find $BACKUPDIR/ -ctime +30 -exec rm -rf {} \;
[ $? -gt 0 ]$${
echo -e "CURDATE--mysql:delete 30 days ago backup files\n" >>$LOG
}
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