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<p align="center"><a href="http://fx.wtf"><img src="https://medv.io/assets/fx-logo.png" height="100" alt="fx logo"></a></p>
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<p align="center"><img src="https://medv.io/assets/fx.gif" width="562" alt="fx example"></p>
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_* Function eXecution_
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[](https://travis-ci.org/antonmedv/fx)
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[](https://www.npmjs.com/package/fx)
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[](https://formulae.brew.sh/formula/fx)
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Command-line JSON processing tool
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## Features
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* Easy to use
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* Standalone binary
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* Interactive mode 🎉
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* Streaming support 🌊
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## Install
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```bash
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npm install -g fx
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```
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Or via Homebrew
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```bash
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brew install fx
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```
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Or download standalone binary from [releases](https://github.com/antonmedv/fx/releases)
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## Usage
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Start [interactive mode](https://github.com/antonmedv/fx/blob/master/DOCS.md#interactive-mode) without passing any arguments.
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```bash
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$ curl ... | fx
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```
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Or by passing filename as first argument.
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```bash
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$ fx data.json
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```
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Pass a few JSON files.
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```bash
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cat foo.json bar.json baz.json | fx .message
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```
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Use full power of JavaScript.
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```bash
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$ curl ... | fx '.filter(x => x.startsWith("a"))'
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```
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Access all lodash (or ramda, etc) methods by using [.fxrc](https://github.com/antonmedv/fx/blob/master/DOCS.md#using-fxrc) file.
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```bash
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$ curl ... | fx '_.groupBy("commit.committer.name")' '_.mapValues(_.size)'
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```
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Update JSON using spread operator.
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```bash
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$ echo '{"count": 0}' | fx '{...this, count: 1}'
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{
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"count": 1
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}
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```
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Extract values from maps.
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```bash
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$ fx commits.json | fx .[].author.name
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```
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Print formatted JSON to stdout.
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```bash
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$ curl ... | fx .
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```
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Pipe JSON logs stream into fx.
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```bash
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$ kubectl logs ... -f | fx .message
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```
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And try this:
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```bash
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$ fx --life
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```
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## Documentation
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See full [documentation](https://github.com/antonmedv/fx/blob/master/DOCS.md).
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## Links
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* [Discover how to use fx effectively](http://bit.ly/discover-how-to-use-fx-effectively)
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* [Video tutorial](http://bit.ly/youtube-fx-tutorial)
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## Related
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* [gofx](https://github.com/antonmedv/gofx) – fx-like JSON tool (*go*)
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* [eat](https://github.com/antonmedv/eat) – converts anything into JSON
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* [ymlx](https://github.com/matthewadams/ymlx) – fx-like YAML cli processor
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* [fx-completion](https://github.com/antonmedv/fx-completion) – bash completion for fx
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* [fx-theme-monokai](https://github.com/antonmedv/fx-theme-monokai) – monokai theme
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* [fx-theme-night](https://github.com/antonmedv/fx-theme-night) – night theme
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## License
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[MIT](https://github.com/antonmedv/fx/blob/master/LICENSE)
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