// (c) 2006 Richard Grimes
// www.grimes.demon.co.uk

using System;
using System.IO; 

class App
{
   static void Main(string[] args)
   {
      using (FileStream fs = new FileStream(args[0], FileMode.Open))
      {
         Console.WriteLine("File is {0} bytes", fs.Length);
      }
   }
}