// File: IO20.java (Module 13)
//
// Author: Rahul Simha
// Created: Nov 28, 1998
//
// Reading lines from a text file until a null string pointer.

import java.io.*;

public class IO19 {

    public static void main (String[] argv)
    {
	try {
	    // Read from a text file using LineNumberReader
	    FileInputStream inStream = new FileInputStream ("blah2.txt");
	    InputStreamReader osr = new InputStreamReader (inStream);
	    LineNumberReader lnr = new LineNumberReader (osr);

	    // EOF is signalled by returning a null string.
	    String s = lnr.readLine ();
	    while (s != null) {
		System.out.println (s);
		s = lnr.readLine ();
	    }
	    lnr.close (); 
	}
	catch (IOException e) { System.out.println (e); }
    }

}