if (args.length == 0) {
HelpFormatter formatter = new HelpFormatter();
formatter.printHelp("HFile ", options, true);
System.exit(-1);
}
CommandLineParser parser = new PosixParser();
CommandLine cmd = parser.parse(options, args);
boolean verbose = cmd.hasOption("v");
boolean printKeyValue = cmd.hasOption("p");
boolean printMeta = cmd.hasOption("m");
boolean checkRow = cmd.hasOption("k");
boolean checkFamily = cmd.hasOption("a");