.NET (Core and Framework)

Dave Kreskowiak wrote:

f it were that "urgent", you'd either be Googling this question to until your fingers bled, or running to the bathroom, whichever the case may be.

Dave Kreskowiak wrote:

If it were that "urgent", you'd either be Googling this question to until your fingers bled, or running to the bathroom, whichever the case may be.

Regards,

Satips.

Don't walk in front of me, I may not follow;
Don't walk behind me, I may not lead;
Walk beside me, and just be my friend. - Albert Camus

using System;
using System.IO;

class Test 
{
    public static void Main() 
    {
        string path = @"c:\temp\MyTest.txt";
        if (!File.Exists(path)) 
        {
            // Create a file to write to.
            using (StreamWriter sw = File.CreateText(path)) 
            {
                sw.WriteLine("Hello");
                sw.WriteLine("And");
                sw.WriteLine("Welcome");
            }	
        }

        // Open the file to read from.
        using (StreamReader sr = File.OpenText(path)) 
        {
            string s = "";
            while ((s = sr.ReadLine()) != null) 
            {
                Console.WriteLine(s);
            }
        }

        try 
        {
            string path2 = path + "temp";
            // Ensure that the target does not exist.
            File.Delete(path2);

            // Copy the file.
            File.Copy(path, path2);
            Console.WriteLine("{0} was copied to {1}.", path, path2);

            // Delete the newly created file.
            File.Delete(path2);
            Console.WriteLine("{0} was successfully deleted.", path2);
        } 
        catch (Exception e) 
        {
            Console.WriteLine("The process failed: {0}", e.ToString());
        }
    }
}