Method UseLine

command.go:1482–1497

UseLine puts out the full usage for a given command (including parents).

()

// UseLine puts out the full usage for a given command (including parents).
func (c *Command) UseLine() string {
	var useline string
	use := strings.Replace(c.Use, c.Name(), c.DisplayName(), 1)
	if c.HasParent() {
		useline = c.parent.CommandPath() + " " + use
	} else {
		useline = use
	}
	if c.DisableFlagsInUseLine {
		return useline
	}
	if c.HasAvailableFlags() && !strings.Contains(useline, "[flags]") {
		useline += " [flags]"
	}
	return useline
}

// DebugFlags used to determine which flags have been assigned to which commands
// and which persist.