spawno
Easily work with child processes.
Last updated 7 years ago by ionicabizau .
MIT · Repository · Bugs · Original npm · Tarball · package.json
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spawno

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Easily work with child processes.

:cloud: Installation

# Using npm
npm install --save spawno

# Using yarn
yarn add spawno

:clipboard: Example

const spawn = require("spawno");

spawn("ls", ["-l"], { cwd: __dirname }, (err, stdout, stderr) => {
    console.log(err || stderr || stdout);
    // =>
    // total 4
    // -rw-rw-r-- 1 ionicabizau ionicabizau 256 Mar 27 14:53 index.js
});

// Pipe the output in the stdout/stderr streams (this will not collect the output in memory)
let proc = spawn("ping", ["ionicabizau.net"], {
    cwd: __dirname
  , output: true
});
// =>
// PING ionicabizau.net (109.107.37.233) 56(84) bytes of data.
// 64 bytes from cip-109-107-37-233.gb1.brightbox.com (109.107.37.233): icmp_seq=1 ttl=54 time=49.2 ms
// 64 bytes from cip-109-107-37-233.gb1.brightbox.com (109.107.37.233): icmp_seq=2 ttl=54 time=44.4 ms
// 64 bytes from cip-109-107-37-233.gb1.brightbox.com (109.107.37.233): icmp_seq=3 ttl=54 time=47.9 ms
// 64 bytes from cip-109-107-37-233.gb1.brightbox.com (109.107.37.233): icmp_seq=4 ttl=54 time=46.3 ms

// Promise interface
spawn.promise("curl", ["ionicabizau.net"]).then(console.log)

:question: Get Help

There are few ways to get help:

  1. Please post questions on Stack Overflow. You can open issues with questions, as long you add a link to your Stack Overflow question.
  2. For bug reports and feature requests, open issues. :bug:
  3. For direct and quick help, you can use Codementor. :rocket:

:memo: Documentation

spawno(command, args, options, cb)

Creates the child process.

Params

  • String command: The command you want to run.
  • Array args: The command arguments.
  • Object options: The options to pass to the spawn function extended with:
  • output (Boolean): If truly, the output will be piped in the process stdout/stderr streams.
  • data (String|Boolean): If false, the stdin stream will not be ended. By default this is an empty string.
  • Function cb: The callback function.

Return

  • Process The child process that was created.

spawno.promise()

The promise interface.

Return

  • Promise The promise which will be eventually resolved with the following object:
    • code
    • stdout
    • stderr

:yum: How to contribute

Have an idea? Found a bug? See how to contribute.

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:dizzy: Where is this library used?

If you are using this library in one of your projects, add it in this list. :sparkles:

  • powershell
  • diable
  • spawn-npm
  • electroner
  • git-cloner
  • git-status
  • @zkochan/diable
  • babel-it
  • initial-commit-date
  • fortran
  • striking-clock
  • git-change-author
  • pull-from-source
  • ship-release

:scroll: License

MIT © Ionică Bizău

Current Tags

  • 2.1.1                                ...           latest (4 years ago)

16 Versions

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  • 1.0.0                                ...           9 years ago
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