Overriding an existing file in C#

Question

revised!

I want to create a file say called test.txt.

if that file already exists I want to create file called test1.txt and so on.

Answer 1

The classes in System.IO should help you do that.

FileStream fs = System.IO.File.Create(fileName);

Answer 2

Pass in FileMode.Create to File.Open(string, FileMode) when opening the file and it will create a new file every time.

FileStream file = File.Open("text.txt", FileMode.Create);

Answer 3

Here is a short example:

using System;
using System.IO;

class Program
{
    static void Main()
    {
        String file = "text.txt"; 

        if (File.Exists(file))
            File.Delete(file);

        FileStream fs = File.Create(file);
    }
}