CTar::openNext

function openNext($bIgnoreOpenNextError)
{
	if (file_exists($file = $this->getNextName()))
	{
		$this->close();
		return $this->open($file,$this->mode);
	}
	elseif (!$bIgnoreOpenNextError)
		return $this->Error("File doesn't exist: ".$file);
	return false;
}