1# path-key [](https://travis-ci.org/sindresorhus/path-key) 2 3> Get the [PATH](https://en.wikipedia.org/wiki/PATH_(variable)) environment variable key cross-platform 4 5It's usually `PATH`, but on Windows it can be any casing like `Path`... 6 7 8## Install 9 10``` 11$ npm install --save path-key 12``` 13 14 15## Usage 16 17```js 18const pathKey = require('path-key'); 19 20const key = pathKey(); 21//=> 'PATH' 22 23const PATH = process.env[key]; 24//=> '/usr/local/bin:/usr/bin:/bin' 25``` 26 27 28## API 29 30### pathKey([options]) 31 32#### options 33 34##### env 35 36Type: `Object`<br> 37Default: [`process.env`](https://nodejs.org/api/process.html#process_process_env) 38 39Use a custom environment variables object. 40 41#### platform 42 43Type: `string`<br> 44Default: [`process.platform`](https://nodejs.org/api/process.html#process_process_platform) 45 46Get the PATH key for a specific platform. 47 48 49## License 50 51MIT © [Sindre Sorhus](https://sindresorhus.com) 52
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