Method HelpText

command.go:76–101

HelpText returns the computed help of the command and its subcommands.

()

// HelpText returns the computed help of the command and its subcommands.
func (c Cmd) HelpText() string {
	var b bytes.Buffer
	p := func(s ...interface{}) {
		fmt.Fprintln(&b)
		if len(s) > 0 {
			fmt.Fprintln(&b, s...)
		}
	}
	if c.LongHelp != "" {
		p(c.LongHelp)
	} else if c.Help != "" {
		p(c.Help)
	} else if c.Name != "" {
		p(c.Name, "has no help")
	}
	if c.hasSubcommand() {
		p("Commands:")
		w := tabwriter.NewWriter(&b, 0, 4, 2, ' ', 0)
		for _, child := range c.Children() {
			fmt.Fprintf(w, "\t%s\t\t\t%s\n", child.Name, child.Help)
		}
		w.Flush()
		p()
	}
	return b.String()
}

// findChildCmd returns the subcommand with matching name or alias.
func (c *Cmd) findChildCmd(name string) *Cmd {