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# spawn-please
[](https://npmjs.org/package/spawn-please)
50 LOC syntactic sugar for [cross-spawn](https://github.com/moxystudio/node-cross-spawn).
- Promisified child_process.spawn
- Easily pass stdin
- Rejects on stderr
## Install
```sh
$ npm install --save spawn-please
```
## Usage
> `await spawn(command, [arguments], [stdin], [options])`
`options` are passed directly to `child_process.spawn`.
```js
const spawn = require('spawn-please')
const output = await spawn('printf', ['please?'])
assert.equal(output, 'please?')
```
### How is this different than other child_process libraries?
Allows you to pass a string on stdin:
```js
const output = await spawn('cat', [], 'test')
assert.equal(output, 'test')
```
Rejects on any stderr by default:
```js
try {
spawn('some-command-with-stderr')
} catch (stderr) {
// do something with stderr
}
```
Capture both stdout and stderr:
```js
let stdout = ''
let stderr = ''
spawn('some-command-with-stderr', [], undefined, {
rejectOnError: false,
stdout: data => (stdout += data),
stderr: data => (stderr += data),
})
```
## License
ISC © [Raine Revere](https://github.com/raineorshine)
Version data entries
33 entries across 33 versions & 1 rubygems