jc.addObject(opts);
PrintStream out = System.out;
// asset commands
jc.addCommand(new DumpCmd());
jc.addCommand(new DumpStructCmd());
jc.addCommand(new ExtractCmd());
jc.addCommand(new ExtractRawCmd());
jc.addCommand(new ExtractTxtCmd());
jc.addCommand(new ExtractStructCmd());