[cakephp]Using Email from Shell

foo.ctp

<?php echo $a; ?>

FooShell.php

<?php
App::uses('CakeEmail','Network/Email');

class FooShell extends AppShell {

	public function main() {
		$Email = new CakeEmail();
		$Email->config(array(
			'to' => array('foo@bar.baz'),
			'from' => 'foo@bar.baz',
			'subject' => __('subject'),
			'template' => 'foo'
		));
		
		// Set variables to template
		$Email->viewVars(array('a' => 1));
		// Send email
		$Email->send();
	}

}