code: protected void writeHeader()
  		throws ConfigurationException, IOException
  	{
  
  		if (writer != null) {
  			writer.close();
  		}
  
  		this.fileCounter++;
  		String filePath = PATH_OUTPUT_DATA_FILES + this.outputName + "_"
  				+ fileCounter+".csv";
  
  		this.dataFile = new File(filePath);
  
  		this.writer = new BufferedWriter(new OutputStreamWriter(new BufferedOutputStream(
  		        new FileOutputStream(filePath)), WIKIPEDIA_ENCODING));
  
  
  		this.writer.flush();
  	}
docs: Creates a new output file and writes the header information.
  
  @throws ConfigurationException
  if an error occurred while accessing the configuration
  @throws IOException
  if an error occurred while writing a file