command_wrapper 0.1.0

command_wrapper #

command_wrapper package makes it easy to create a Dart wrapper for command line tools.

Usage #

CommandWrapper lets you create a Dart wrapper for command line tools. For example, you can create a wrapper for curl by passing the executable name to the CommandWrapper constructor. The path of curl is autmatically located in a platform independent manner using which package.

CommandWrapper curl = new CommandWrapper('curl');
CommandResult result = await curl.run(['--version']);

CommandResult contains stdout, stderr and exitCode. The type of stdout and stderr is List<String> so you can easily process each line.

Command #

command_wrapper provides wrappers for commonly used Dart commands.

  • dart
  • pub
  • dart2js
  • dartfmt
  • dartanalyzer
  • dartdoc

Examples #

import 'package:command_wrapper/command_wrapper.dart';

main() async {
  // Use dart CommandWrapper instance.
  CommandResult result = await dart.run(['--version']);
  print(result.stderr.join(''));

  // Create a new CommandWrapper.
  CommandWrapper curl = new CommandWrapper('curl');
  result = await curl.run(['--version']);
  print(result.stdout.join(''));
}

Changelog #

0.1.0 #

  • Initial version

example/command_wrapper_example.dart

// Copyright (c) 2016, Kwang Yul Seo. All rights reserved. Use of this source code
// is governed by a BSD-style license that can be found in the LICENSE file.

import 'package:command_wrapper/command_wrapper.dart';

main() async {
  // Use dart CommandWrapper instance.
  CommandResult result = await dart.run(['--version']);
  print(result.stderr.join(''));

  // Create a new CommandWrapper.
  CommandWrapper curl = new CommandWrapper('curl');
  result = await curl.run(['--version']);
  print(result.stdout.join(''));
}

Use this package as a library

1. Depend on it

Add this to your package's pubspec.yaml file:


dependencies:
  command_wrapper: ^0.1.0

2. Install it

You can install packages from the command line:

with pub:


$ pub get

Alternatively, your editor might support pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:


import 'package:command_wrapper/command_wrapper.dart';
  
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