Create a C# program that makes a copy of a text file but reverse all its content. Create a file with the same name but with extension "inv".
public class ReverseTextFile
public static void Main(string args)
string inputFileName = "input.txt";
string outputFileName = "input.inv";
string lines = File.ReadAllLines(inputFileName);
using (StreamWriter writer = File.CreateText(outputFileName))
for (int i = lines.Length - 1; i >= 0; i--)
Practice C# anywhere with the free app for Android devices.
Learn C# at your own pace, the exercises are ordered by difficulty.
Your donations support our work and contribute to the maintenance of the app.
Own and third party cookies to improve our services. If you go on surfing, we will consider you accepting its use.