@Override
	protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
		String[] line = value.toString().split(inDelimiter);
		String keyCol = "";
		String valueCol = "";
		for (int i = 0; i < line.length; i++) {
			if (i == Integer.parseInt(keyColumn))
				keyCol = line[i];
			else if (i == Integer.parseInt(valueColumn))
				valueCol = line[i];
		}
		context.write(new Text(keyCol), new Text(valueCol));
	}