public function split(array $arguments = array()) {
		$splittedArguments = new AppendIterator();

		foreach ($this->_options['Period'] as $Date) {
			$_arguments = $arguments;
			$_arguments['--range'] = $Date->format(Configure::read('Task.dateFormat'));
			$splittedArguments->append($this->splitInner($_arguments));
		}

		return $splittedArguments;
	}