private string RemoteChangeDirectory(string path)
        {
            if (path.EndsWith("/"))
            {
                path = path.Substring(0, path.Length - 1);
            }
            var dir = path.Substring(0, path.LastIndexOf('/') + 1);

            Telnet.ChangeFtpDirectory(dir);
            return(path.Replace(dir, string.Empty));
        }