Appending to a text file

Create a C# program that asks the user for lines until you press Enter.

The lines should be updated at the end of the text file if it exists, but a new file should be created.

Input

dapibus
pretium
radar

Output

Solution

using System;
using System.IO;
public class AppendingTextFile
{
    public static void Main(string[] args)
    {
        string fileName = "out.txt";
        using (StreamWriter file = File.AppendText(fileName))
        {
            string line;
            do
            {
                line = Console.ReadLine();

                if (line.Length != 0)
                {
                    file.WriteLine(line);
                }
            }
            while (line.Length != 0);
        }
    }
}