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b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
37 lines
1 KiB
Dart
37 lines
1 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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//
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// Utility script to echo stdin to stdout or stderr or both.
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// @dart = 2.9
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import "dart:io";
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main(List<String> arguments) {
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if (stdioType(stdin) is! StdioType) exit(1);
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if (stdioType(stdout) is! StdioType) exit(1);
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if (stdioType(stderr) is! StdioType) exit(1);
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if (stdioType(stdin).name != arguments[1]) {
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throw stdioType(stdin).name;
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}
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if (stdioType(stdout).name != arguments[2]) {
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throw stdioType(stdout).name;
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}
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if (stdioType(stderr).name != arguments[3]) {
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throw stdioType(stderr).name;
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}
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if (arguments.length > 0) {
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if (arguments[0] == "0") {
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stdin.pipe(stdout);
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} else if (arguments[0] == "1") {
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stdin.pipe(stderr);
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} else if (arguments[0] == "2") {
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stdin.listen((data) {
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stdout.add(data);
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stderr.add(data);
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});
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}
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}
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}
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