MySQL backup

#!/bin/bash

MyUSER="root"
MyPASS="***password here***"
MyHOST="localhost"

MYSQL="$(which mysql)"
MYSQLDUMP="$(which mysqldump)"

#MYSQL="/usr/local/bin/mysql"
#MYSQLDUMP="/usr/local/bin/mysqldump"

CHOWN="$(which chown)"
CHMOD="$(which chmod)"
GZIP="$(which gzip)"

DEST="/var/backups/mysql/"

MBD="$DEST"
HOST="$(hostname)"
NOW="$(date +"%Y%m%d")"

FILE=""
DBS=""

# DO NOT BACKUP these databases, delemiter SPACE
IGN="mysql information_schema"

rm -rf "$DEST/*"

# Get all database list first
DBS="$($MYSQL -u $MyUSER -h $MyHOST -p$MyPASS -Bse 'show databases')"

for db in $DBS
do

    skipdb=-1
    if [ "$IGN" != "" ]; then
    for i in $IGN
    do
        [ "$db" == "$i" ] && skipdb=1 || :
    done
    fi

    if [ "$skipdb" == "-1" ] ; then
    MBD="$DEST/$db"
    [ ! -d $MBD ] && mkdir -p $MBD || :
    TABLES="$($MYSQL -u $MyUSER -h $MyHOST -p$MyPASS $db -Bse 'show tables')"
    for table in $TABLES
    do
        echo "$db/$table"
        FILE="$MBD/$table.sql.gz"
           $MYSQLDUMP --opt -u $MyUSER -h $MyHOST -p$MyPASS $db $table | $GZIP -9 > $FILE
    done
    fi

done