/**
 * ReadLines.java
 * @author Jeff Ondich, 29 October 2010
 *
 * A demonstration of the use of a Scanner to read an input
 * file one line at a time.
 */
import java.io.*;
import java.util.*;

public class ReadLines
{
    public static void main(String args[])
    {
        if (args.length != 1) {
            System.err.println("Usage: java ReadLines fileName");
            System.exit(1);
        }

        Scanner fileScanner = null;
        try {
            fileScanner = new Scanner(new File(args[0]));
        } catch (Exception e) {
            System.err.println(e.toString());
            System.exit(1);
        }

        while (fileScanner.hasNextLine()) {
            System.out.println(fileScanner.nextLine());
        }
    }
}