Pipe Stdin to a C# program and filter out data

I need a program that will filter command line input, and strip out CR+LF from any line that has a certain text.

Solution (in C#):

http://www.mrrives.com/Programming/Filter/Filter.cs

And the EXE file:

http://www.mrrives.com/Programming/Filter/Filter.exe

Here is the code (simple):

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Filter
{
    class Filter
    {
        static void Main(string[] args)
        {
            if (args.Length == 0)
            {
                Console.WriteLine("FILTER: Parameter format not correct");
                return;
            }
            if (args[0] == "/?")
            {
                Console.WriteLine("Searches for a text string typed at the prompt or piped from another program");
                Console.WriteLine("");
                Console.WriteLine("FILTER \"string\"");
                Console.WriteLine("");
                Console.WriteLine("if string in a line, line is echoed without a CR+LF, otherwise it is.");
                return;
            }

            string s = string.Empty;
            try
            {
                while (System.Console.In.Peek() != -1)
                {
                    s = System.Console.In.ReadLine();
                    if (s.Contains(args[0]))
                        Console.Write(s);
                    else
                        Console.WriteLine(s);
                }
            }
            catch
            {

            }

        }
    }
}

Note, I was able to use the really nice web site, http://www.manoli.net/csharpformat/format.aspx to format my C# code into HTML