MySQL Backups with mysqldumper

mysqldumper.sh

#!/bin/sh
# MySQL Account Data in ~/.my.cnf
BACKUPDIR="/home/backups/sql";
DBFILTER="(information_schema|performance_schema|mysql|dev|tmp|froxlor|test)";
MYSQLDUMP="$(which mysqldump) -e --opt --skip-add-locks";
DIRNAME=`date +%Y-%m-%d`;

MYSQL=$(which mysql);
TAR=$(which tar);
GZIP=$(which gzip);
NICE=$(which nice);
EGREP=$(which egrep);

# Delete Old Files
/usr/bin/find $BACKUPDIR -depth -mtime +14 -exec rm -rf '{}' \;

mkdir -p "$BACKUPDIR/$DIRNAME";

DBS=$($MYSQL -Bse "show databases");
for db in $DBS
do
    if !(echo $db | $EGREP $DBFILTER > /dev/null);
    then
        FILENAME="$db-`date +%Y_%m_%d_%H_%M_%S`.sql.gz";
$NICE -n 20 $MYSQLDUMP $db | $NICE -n 20 $GZIP -c > "$BACKUPDIR/$DIRNAME/$FILENAME";
    fi
done