if *envJson {
				var es []cfg.EnvVar
				for _, name := range args {
					e := cfg.EnvVar{Name: name, Value: findEnv(env, name)}
					es = append(es, e)
				}
				env = es
			} else {
				// Print just the values, without names.
				for _, name := range args {
					fmt.Printf("%s\n", findEnv(env, name))
				}
				return
			}
		} else {
			// Show only the changed, named vars.
			var es []cfg.EnvVar