public void writeRow(RowData row) {
        String sep = (String) params.get("colseparator");
        
        int c = row.size();
        //System.out.println("rowsize: " + c);
        String toOut = "";
        for (int i = 0; i < c ; i++) {
            toOut += row.get(i).toString() + sep;
        }
        
        System.out.println(toOut);
    }