// org.greggordon.util LineCounter.java
// Outputs file with lines numbered.
package org.greggordon.util;
import net.mindview.util.*; // thanks to Bruce Eckel
import java.util.*;

public class LineCounter {
	public static String lines(String filename) {
		TextFile file = new TextFile(filename);
		int i = 0;
		String s = "";
		for(Iterator it = file.iterator(); it.hasNext();) {
			s += (++i + " " + it.next() + '\n');			
		}
		return s;
	}
	public static void printLines(String filename) {
		System.out.print(lines(filename));
	}
	public static void main(String[] args) {
		if(args.length == 0) {
			System.out.println("Usage: enter filename");
			return;
		}
		TextFile file = new TextFile(args[0]);
		int i = 0;
		for(Iterator it = file.iterator(); it.hasNext();) {
			System.out.print(++i + " " + it.next());
			System.out.println();
		}		
	}	
}

/**
* @author Greg Gordon
* @author www.greggordon.org
* 2007
**/