38 lines
1.2 KiB
Handlebars
38 lines
1.2 KiB
Handlebars
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[](https://www.npmjs.org/package/stream-via)
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[](https://www.npmjs.org/package/stream-via)
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[](https://travis-ci.org/75lb/stream-via)
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[](https://david-dm.org/75lb/stream-via)
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[](https://github.com/feross/standard)
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# stream-via
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Process each chunk of a stream via the supplied function. Useful for meddling inside a stream pipeline. Works in both string/Buffer and object modes.
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## Synopsis
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Replace all instances of the `a` character with `4`.
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```js
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const via = require('stream-via')
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const fs = require('fs')
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process.stdin
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.pipe(via(function (chunk) {
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return chunk.toString().replace(/a/g, '4')
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}))
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.pipe(process.stdout)
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```
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Output:
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```
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$ echo 'twat' | node example/simple.js
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tw4t
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```
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# API
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{{#module name="stream-via"}}{{>docs}}{{/module}}
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* * *
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© 2015-17 Lloyd Brookes \<75pound@gmail.com\>. Documented by [jsdoc-to-markdown](https://github.com/jsdoc2md/jsdoc-to-markdown).
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