private static void AddLocalFile(StartupInfo info, string[] args)
{
string path = args[0];
ArchiveOpenMode mode =
File.Exists(path) ? ArchiveOpenMode.OPEN : ArchiveOpenMode.CREATE;
Archiver a = new Archiver(path, mode);
a.AddLocal(args[1], args[2]);
a.Dispose(true);
}