// setDirCommandFunc executes the "setDir" command. func setDirCommandFunc(c *cli.Context, client *etcd.Client) (*etcd.Response, error) { if len(c.Args()) == 0 { return nil, errors.New("Key required") } key := c.Args()[0] ttl := c.Int("ttl") return client.SetDir(key, uint64(ttl)) }