[Solved] how to open all text files from a directory [closed]

Question

foreach (var file in Directory.GetFiles(MainFolder, "*.txt", SearchOption.AllDirectories))
{
    var text = File.ReadAllText(file);

    //do processing
    File.WriteAllText(file, text);
}

Accepted Answer

foreach (var file in Directory.GetFiles(MainFolder, "*.txt", SearchOption.AllDirectories))
{
    var text = File.ReadAllText(file);

    //do processing
    File.WriteAllText(file, text);
}