code: private void openInputFile(final String inputFileName) throws IOException
  	{
  		myInputFile = new File(inputFileName);
  		myInputStream = new FileInputStream(myInputFile);
  		myStreamReader = new InputStreamReader(myInputStream, getInputEncodingCode());
  		myBufferedReader = new BufferedReader(myStreamReader);
  		myLineReader = new LineNumberReader(myBufferedReader);
  	}
docs: Prepare the input stream.
  
  @param inputFileName
  the file to read from.
  @throws IOException
  if a problem occurs.