MySQL Backup Script

backup.db.sh

#!/bin/bash
###################################
# $Id: backup 381 2012-04-03 09:49:08Z netkiller $
# Author: netkiller@msn.com
# Home:  http://netkiller.github.com
###################################
BACKUP_HOST="localhost"
BACKUP_USER="root"
BACKUP_PASS=""
BACKUP_DIR=/opt/backup
BACKUP_DBNAME="test neo"
#Number of copies
COPIES=7
####################################
MYSQLDUMP="mysqldump"
#TIMEPOINT=$(date -u +%Y-%m-%d)
TIMEPOINT=$(date -u +%Y-%m-%d.%H:%M:%S)
MYSQLDUMP_OPTS="-h $BACKUP_HOST -u$BACKUP_USER -p$BACKUP_PASS"
####################################
umask 0077
test ! -d "$BACKUP_DIR" && mkdir -p "$BACKUP_DIR"
test ! -w $BACKUP_DIR && echo "Error: $BACKUP_DIR is un-writeable." && exit 0

for dbname in $BACKUP_DBNAME
do
	test ! -d "$BACKUP_DIR/$dbname" && mkdir -p "$BACKUP_DIR/$dbname"

	$MYSQLDUMP $MYSQLDUMP_OPTS $dbname | gzip > $BACKUP_DIR/$dbname/$dbname.$TIMEPOINT.sql.gz
done
find $BACKUP_DIR -type f -mtime +$COPIES -delete