Method Set

command.go:491–498

Set sets a context flag to a value.

(name, value string)

// Set sets a context flag to a value.
func (cmd *Command) Set(name, value string) error {
	if f := cmd.lookupFlag(name); f != nil {
		cmd.setMultiValueParsingConfig(f)
		return f.Set(name, value)
	}

	return fmt.Errorf("no such flag -%s", name)
}

// IsSet determines if the flag was actually set
func (cmd *Command) IsSet(name string) bool {