" -x --xtrace echo commands before execution",
" -? --help show help",
"If no script-file, an interactive shell is started, type $D to exit." };
Option opt = Options.compile(usage).setOptionsFirst(true).parse(argv);
List<String> args = opt.args();
boolean login = opt.isSet("login");
boolean interactive = !opt.isSet("nointeractive");
if (opt.isSet("help"))