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# with-open-file [](https://travis-ci.org/raphinesse/with-open-file)
> Do stuff with an open file, knowing it will finally be closed
Because the built-in way requires way too much boilerplate.
## Install
```
$ npm install with-open-file
```
## Usage
```js
const withOpenFile = require('with-open-file')
withOpenFile('foo.txt', 'r', fd => {
// Process file using fd
})
withOpenFile.sync('foo.txt', 'r', fd => {
// Process file synchronously using fd
})
```
## API
### withOpenFile(...openArgs, callback)
Returns a `Promise` wrapping the result of calling `callback` with the requested file descriptor.
### withOpenFile.sync(...openArgs, callback)
Returns the result of calling `callback` with the requested file descriptor.
#### ...openArgs
Arguments as supported by [`fs.openSync`](https://nodejs.org/api/fs.html#fs_fs_opensync_path_flags_mode)
#### callback
Type: `function`
## License
MIT © Raphael von der Grün