sub

sub is a simple subcommand package for Go. After getting annoyed with the options that were available, as they were either way too complicated (Cobra) or simply didn't seem to work very well (subcommands), I decided to just make my own. So I did.

Example

var commander sub.Commander
commander.Help(`This is an example program. It doesn't really do anything particularly
interesting. In fact, it's not even really a whole program. It's just
a small piece of the entrypoint.`)

commander.Register(commander.HelpCmd())
commander.Register(&exampleCmd{})
err := commander.Run(append([]string{filepath.Base(os.Args[0])}, os.Args[1:]...))
if err != nil {
	if err == flag.ErrHelp {
		os.Exit(2)
	}

	fmt.Fprintf(os.Stderr, "Error: %v\n", err)
	os.Exit(1)
}