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