/**
  * clone file information and copy file
  *
  * @param XooNIpsOrmFile $file XooNIpsOrmFile object
  * @return reference of cloned file orm object
  */
 function &fileClone($file)
 {
     // clone file orm
     $copyfile =& $file->xoopsClone();
     $copyfile->setFilepath(tempnam('/tmp', 'XNP'));
     // copy file
     copy($this->createFilepath($file), $copyfile->getFilepath());
     return $copyfile;
 }