| # path-key [](https://travis-ci.org/sindresorhus/path-key) |
| |
| > Get the [PATH](https://en.wikipedia.org/wiki/PATH_(variable)) environment variable key cross-platform |
| |
| It's usually `PATH`, but on Windows it can be any casing like `Path`... |
| |
| |
| ## Install |
| |
| ``` |
| $ npm install --save path-key |
| ``` |
| |
| |
| ## Usage |
| |
| ```js |
| const pathKey = require('path-key'); |
| |
| const key = pathKey(); |
| //=> 'PATH' |
| |
| const PATH = process.env[key]; |
| //=> '/usr/local/bin:/usr/bin:/bin' |
| ``` |
| |
| |
| ## API |
| |
| ### pathKey([options]) |
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| #### options |
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| ##### env |
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| Type: `Object`<br> |
| Default: [`process.env`](https://nodejs.org/api/process.html#process_process_env) |
| |
| Use a custom environment variables object. |
| |
| #### platform |
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| Type: `string`<br> |
| Default: [`process.platform`](https://nodejs.org/api/process.html#process_process_platform) |
| |
| Get the PATH key for a specific platform. |
| |
| |
| ## License |
| |
| MIT © [Sindre Sorhus](https://sindresorhus.com) |
