85 lines
1.2 KiB
Markdown
85 lines
1.2 KiB
Markdown
# exec-buffer [](https://travis-ci.org/kevva/exec-buffer)
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> Run a Buffer through a child process
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## Install
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```ba
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$ npm install --save exec-buffer
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```
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## Usage
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```js
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var ExecBuffer = require('exec-buffer');
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var fs = require('fs');
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var gifsicle = require('gifsicle').path;
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var execBuffer = new ExecBuffer();
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execBuffer.use(gifsicle, ['-o', execBuffer.dest(), execBuffer.src()]);
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execBuffer.run(fs.readFileSync('test.gif'), function (err, data) {
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if (err) {
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throw err;
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}
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console.log(data);
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//=> <Buffer 47 49 46 38 37 61 ...>
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});
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});
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```
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## API
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### new ExecBuffer()
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Creates a new `ExecBuffer` instance.
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### .use(bin, args)
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#### bin
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Type: `String`
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Path to the binary.
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#### args
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Type: `Array`
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Arguments to run the binary with.
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### .src(path)
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#### path
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Type: `String`
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Set or get the temporary source path.
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### .dest(path)
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#### path
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Type: `String`
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Set or get the temporary destination path.
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### .run(buf, cb)
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#### buf
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Type: `Buffer`
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The `Buffer` to be ran through the child process.
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#### cb(err, data, stderr)
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Type: `Function`
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Returns a `Buffer` with the new `data` and any `stderr` output.
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## License
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MIT © [Kevin Mårtensson](https://github.com/kevva)
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