static int RunProcessor(string[] args)
{
foreach (string arg in args)
{
if (arg == "process") continue;
else if (arg.StartsWith("--pipe-in=")) options.pipeIn = arg.Remove(0, "--pipe-in=".Length);
else if (arg.StartsWith("--pipe-out=")) options.pipeOut = arg.Remove(0, "--pipe-out=".Length);
else return InvalidOption(arg);
}
if (string.IsNullOrEmpty(options.pipeIn)) return OptionIsRequired("--pipe-in");
if (string.IsNullOrEmpty(options.pipeOut)) return OptionIsRequired("--pipe-out");
Echo host = new Echo(options);
host.Run();
return 0;
}