c# how to create a new file with a random string name
// How to create a new .txt file with a random string name:
// selected characters
string chars = "2346789ABCDEFGHJKLMNPQRTUVWXYZabcdefghjkmnpqrtuvwxyz";
// create random generator
Random rnd = new Random();
string name;
do {
// create name
name = string.Empty;
while (name.Length < 5) {
name += chars.Substring(rnd.Next(chars.Length), 1);
}
// add extension
name += ".txt";
// check against files in the folder
} while (File.Exists(Path.Compbine(folderPath, name)))