| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| // |
| // Utility script to echo stdin to stdout or stderr or both. |
| |
| // @dart = 2.9 |
| |
| import "dart:convert"; |
| import "dart:io"; |
| |
| main() { |
| var subscription; |
| subscription = stdin |
| .transform(utf8.decoder) |
| .transform(new LineSplitter()) |
| .listen((String line) { |
| // Unsubscribe after the first line. |
| subscription.cancel(); |
| }); |
| } |