lib/magento/Archive/Tar.php
protected function _destroyReader()
    {
        if ($this->_reader instanceof Mage_Archive_Helper_File) {
            $this->_reader->close();
            $this->_reader = null;
        }

        return $this;
    }
protected function _destroyReader()
    {
        if ($this->_reader instanceof Mage_Archive_Helper_File) {
            $this->_reader->close();
            $this->_reader = null;
        }

        return $this;
    }
protected function _destroyReader ( ) { if ( $ this -> _reader instanceof Mage_Archive_Helper_File ) { $ this -> _reader -> close ( ) ; $ this -> _reader = null ; } return $ this ; }
Destroy tarball reader

@return Mage_Archive_Tar
Destroy tarball reader