static void Main(string[] args)
{
// create Options object
Options options = new Options();
// add t option
options.AddOption("t", false, "display current time");
options.AddOption("h", false, "Display help options");
CommandLineParser parser = new DefaultParser();
CommandLine cmd = parser.Parse(options, args);
options.AddOption("h", "help", false, "Print this usage information");
options.AddOption("v", "verbose", false, "Print out VERBOSE information");
OptionGroup optionGroup = new OptionGroup();
optionGroup.AddOption(new OptionBuilder("f").HasArg(true).ArgName("filename").Build());
optionGroup.AddOption(new OptionBuilder("m").HasArg(true).ArgName("email").Build());
options.AddOptionGroup(optionGroup);
if (cmd.HasOption("h"))
{
HelpFormatter formatter = new HelpFormatter();
formatter.printHelp("x", options, true);
return;
}
if (cmd.HasOption("t"))
{
Console.WriteLine(System.DateTime.Now);
}
}