Group group = gbuilder.withName("Options").withOption(inputOpt).withOption(idFieldOpt).withOption(
outputOpt).withOption(delimiterOpt).withOption(helpOpt).withOption(fieldOpt).withOption(maxOpt)
.withOption(dictOutOpt).withOption(powerOpt).withOption(outWriterOpt).withOption(maxDFPercentOpt)
.withOption(weightOpt).withOption(minDFOpt).create();
try {
Parser parser = new Parser();
parser.setGroup(group);
CommandLine cmdLine = parser.parse(args);
if (cmdLine.hasOption(helpOpt)) {
CommandLineUtil.printHelp(group);
return;