private static void ShowHelpAndExit(CommandLineSyntax syntax, int exitCode)
{
var processPath = Environment.GetCommandLineArgs()[0];
var processName = Path.GetFileNameWithoutExtension(processPath);
var processNameLowerCased = processName.ToLowerInvariant();
var helpText = syntax.GetHelpText(processNameLowerCased, Console.WindowWidth - 2);
Console.WriteLine(helpText);
Environment.Exit(exitCode);
}
