Test if a process with a given pid is running

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[![Dependency Status](https://david-dm.org/nisaacson/is-running/status.png)](https://david-dm.org/nisaacson/is-running)
Dependency tracking by [David](https://david-dm.org/)

# Installation
`npm install is-running`

## Usage

```javascript
require('is-running')(897245) // returns true if a process with pid 897245 is running
```