Hi,
I want to simply read a file which has tab delimited data (each row
will have the same number of columns).
I have the following code but it does not work.
Can someone please help,
thanks

/*

read a datafile that is pipe or tab delimited

*/
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
import java.awt.*;
import java.io.*;

class JTableViewer
{
    static JTable table;
    static DefaultTableModel model;

    static Vector readFile(String filename){
        // model=new DefaultTableModel();
        Vector V=new Vector();
        try {
            BufferedReader in = new BufferedReader(new FileReader(filename));
            String str;
            int nRows=0;
            while ((str = in.readLine()) != null) {
                nRows+=1;
                // model.insertRow( model.getRowCount(), str.split("\\t"));
                V.add(new Vector(str.split("\\t")));
            }

            in.close();
            System.err.println("Read "+nRows+" lines.");
        } catch (IOException e) {
            System.err.println("problem reading this file");
            System.exit(-1);
        }
        return(V);
    }

    public static void main(String args[]) //throws IOException
    {
        String filename="";
        if (args.length < 1){
            System.err.println("Need one argument: tab-delimited file name");
            System.exit(-1);
        }else{

            filename=args[0];
            System.err.println("Reading: " + filename);
        }
        JFrame frame=new JFrame("View Tab-delimited files");
        frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
        frame.getContentPane().setLayout(new BorderLayout());
        frame.setSize(500,500);
        Vector V=readFile(filename);
        Vector ColumnNames=new Vector(new Object[]{"First","Second"});
        table=new JTable(V,ColumnNames);
        JPanel topPanel = new JPanel();
        topPanel.setLayout( new BorderLayout() );
        frame.getContentPane().add( topPanel );
        table=new JTable(model);
        table.setPreferredScrollableViewportSize(new Dimension(500, 70));
        topPanel.add(new JScrollPane(table), BorderLayout.CENTER);
        frame.setVisible(true);
    }
}