blob: 888a9920d5c8297fc3c0861e8245a23e7c955851 [file] [log] [blame]
// 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:io";
main(List<String> arguments) {
if (stdioType(stdin) is! StdioType) exit(1);
if (stdioType(stdout) is! StdioType) exit(1);
if (stdioType(stderr) is! StdioType) exit(1);
if (stdioType(stdin).name != arguments[1]) {
throw stdioType(stdin).name;
}
if (stdioType(stdout).name != arguments[2]) {
throw stdioType(stdout).name;
}
if (stdioType(stderr).name != arguments[3]) {
throw stdioType(stderr).name;
}
if (arguments.length > 0) {
if (arguments[0] == "0") {
stdin.pipe(stdout);
} else if (arguments[0] == "1") {
stdin.pipe(stderr);
} else if (arguments[0] == "2") {
stdin.listen((data) {
stdout.add(data);
stderr.add(data);
});
}
}
}