code: @Override
      public boolean validCommandLine() {
          final CommandLineParser parser = new AntelopeParser();
          List<Option> myOpts = getCommandLineOptions();
          final Options options = new Options();
          for (final Option option : myOpts) {
              options.addOption(option);
          }
  
          CommandLine parse;
          try {
              parse = parser.parse(options, getCommandLineArguments(), false);
          } catch (ParseException e) {
              return false;
          }
  
          // Verify one form of valid input is present.
  
          if (parse.hasOption(SHORT_OPT_IN_PATH)) {
              return true;
          }
  
          if (parse.hasOption(INFILE_SHORT_OPT)) {
              return true;
          }
  
          return false;
      }
docs: {@inheritDoc}