MySQL - Backup each database into a different file

backup.sh

#!/bin/bash

USER="myuser"
PASSWORD="mypassword"
OUTPUT="/etc/mysql/backup"
ExcludeDatabases="information_schema|performance_schema|mysql"

if [ ! -d $OUTPUT ]; then
  mkdir -p $OUTPUT
fi

chmod 0700 $OUTPUT

rm "$OUTPUT/*" > /dev/null 2>&1

databases=`mysql --user=$USER --password=$PASSWORD -e "SHOW DATABASES;" | tr -d "|" | grep -v $ExcludeDatabases`

for db in $databases; do
        echo "Dumping database: $db"
        mysqldump --add-drop-database --opt --lock-all-tables -u $USER -p$PASSWORD  $db | gzip -9 > "$OUTPUT/$db.sql.gz"
done