original_string: protected function _initReader()
      {
          $this->_reader = new Mage_Archive_Helper_File($this->_getCurrentFile());
          $this->_reader->open('r');
  
          return $this;
      }
code: protected function _initReader()
      {
          $this->_reader = new Mage_Archive_Helper_File($this->_getCurrentFile());
          $this->_reader->open('r');
  
          return $this;
      }
code_tokens: protected function _initReader ( ) { $ this -> _reader = new Mage_Archive_Helper_File ( $ this -> _getCurrentFile ( ) ) ; $ this -> _reader -> open ( 'r' ) ; return $ this ; }
docstring: Initialize tarball reader
  
  @return Mage_Archive_Tar
docstring_tokens: Initialize tarball reader