Daily programmer #117 easy

Program.cs

//http://www.reddit.com/r/dailyprogrammer/comments/16jiuq/011413_challenge_117_easy_hexdump_to_ascii/
// Usage: programname.exe textfile.txt

using System;
using System.Linq;
using System.IO;

namespace DailyProgrammer117
{
    class Program
    {
        static void Main(string[] args)
        {
            if (args.Length >= 1)
            {
                string filename = args[0];
                if (File.Exists(filename))
                {
                    var file = File.ReadAllBytes(filename).ToList();

                    var counter = 16;
                    var lc = 0;

                    foreach (var f in file)
                    {
                        if (counter == 16)
                        {
                            Console.WriteLine();
                            counter = 0;
                            lc++;
                            Console.Write(String.Format("{0}", lc.ToString("X").PadLeft(5, '0')));
                        }
                        Console.Write(string.Format(" {0}", f.ToString("X").PadLeft(2,'0')));
                        counter++;
                    }
                }
                else
                {
                    Console.WriteLine("File '{0}' not found", filename);
                }
            }
        } 
    }
}