create a quick mysql-user pair with strong password

create-local-mysql-db-user.sh

#!/bin/bash
PASS=`pwgen -s 40 1`

mysql -uroot -p <<MYSQL_SCRIPT
CREATE DATABASE $1;
CREATE USER '$1'@'localhost' IDENTIFIED BY '$PASS';
GRANT ALL PRIVILEGES ON $1.* TO '$1'@'localhost';
FLUSH PRIVILEGES;
MYSQL_SCRIPT

echo "MySQL user created."
echo "Username:   $1"
echo "Password:   $PASS"