wspeirs

// check to see if they need help
// notice we only use the short-version, but it checks both!
if(cmdLine.hasOption("h")) {
    new HelpFormatter().printHelp("sop4j-cli", options);
    return;
}

// check to see if they passed in an opt
// recommended to use the long version as it's more readable
if(cmdLine.hasOption("opt")) {

wspeirs

final GnuParser parser = new GnuParser();
final Options options = configureOptions();

// parse with the parser
CommandLine cmdLine = null;
try {
    cmdLine = parser.parse(options, args);
} catch(ParseException e) {
    e.printStackTrace();
    return;