	protected function LoadSize($blob)
	{
		if (!$blob)
			return;

		$args = array();
		$args[] = '-s';
		$args[] = escapeshellarg($blob->GetHash());

		return $this->exe->Execute($blob->GetProject()->GetPath(), GIT_CAT_FILE, $args);
	}
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.