c#: wget

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;

namespace wget
{
    class Program
    {

        static void Main(string[] args)
        {
            //string res = wget("http://www.google.com");
            if (args.Length == 0)
            {
                Console.WriteLine("Debe especificar una url");
            }
            else
            {
                string uri = args[0];
                if (uri.Contains("htt"))
                {
                    Console.WriteLine(wget(uri));
                }
                else
                {
                    Console.WriteLine("No es válido");
                }
                
                //Console.ReadKey();
            }
        }

        private static string wget(string url)
        {
            WebClient c = new WebClient();
            byte[] response = c.DownloadData(url);
            return Encoding.ASCII.GetString(response);
        }        
    }
}

<?php

if(isset($_REQUEST['name']))
{
    echo gethostbyname($_REQUEST['name']);
}
else
{
    echo gethostbyname("www.google.com");
}

?>

Usos:
wget http://www.google.com
wget http://servidor/GetHostByName.php?name=www.google.com