public async Task Upload(string from, string to = null)
{
to = to ?? from;
Console.WriteLine($"upload '{from}' -> '{to}'");
if (File.Exists(from))
{
await Hosting.UploadFileAsync(new FileInfo(from), to, new ConsoleProgressProvider());
}
else
{
await Hosting.UploadDirectoryAsync(new DirectoryInfo(from), to, failures, successes, (p, e) => ConsoleApplication.Log(p, e));
}
}