_* Function eXecution_
[](https://travis-ci.org/antonmedv/fx)
[](https://www.npmjs.com/package/fx)
[](https://formulae.brew.sh/formula/fx)
[](https://snapcraft.io/fx)
Command-line JSON processing tool
## Features
* Formatting and highlighting
* Standalone binary
* Interactive mode 🎉
* Themes support 🎨
## Install
```
$ npm install -g fx
```
Or via Homebrew
```
$ brew install fx
```
Or download standalone binary from [releases](https://github.com/antonmedv/fx/releases) page.
## Usage
Start [interactive mode](https://github.com/antonmedv/fx/blob/master/docs.md#interactive-mode) without passing any arguments.
```
$ curl ... | fx
```
Or by passing filename as first argument.
```
$ fx data.json
```
Pipe into `fx` any JSON and anonymous function for reducing it.
```bash
$ curl ... | fx 'json => json.message'
```
Or same as above but short.
```bash
$ curl ... | fx this.message
$ curl ... | fx .message
```
Pass any numbers of arguments as code.
```bash
$ curl ... | fx 'json => json.message' 'json => json.filter(x => x.startsWith("a"))'
```
Access all lodash (or ramda, etc) methods by using [.fxrc](https://github.com/antonmedv/fx/blob/master/docs.md#using-fxrc) file.
```bash
$ curl ... | fx '_.groupBy("commit.committer.name")' '_.mapValues(_.size)'
```
Update JSON using spread operator.
```bash
$ echo '{"count": 0}' | fx '{...this, count: 1}'
{
"count": 1
}
```
Pretty print JSON with dot.
```bash
$ curl ... | fx .
```
## Documentation
See full [documentation](https://github.com/antonmedv/fx/blob/master/docs.md).
## Links
* [Discover how to use fx effectively](https://medium.com/@antonmedv/discover-how-to-use-fx-effectively-668845d2a4ea)
## Related
* [xx](https://github.com/antonmedv/xx) - fx-like JSON tool (*go*)
* [ymlx](https://github.com/matthewadams/ymlx) - fx-like YAML cli processor
* [fx-theme-monokai](https://github.com/antonmedv/fx-theme-monokai) – monokai theme
* [fx-theme-night](https://github.com/antonmedv/fx-theme-night) – night theme
## Contributing
[](https://gitpod.io/#https://github.com/antonmedv/fx)
Or clone locally and run:
```bash
# install dependencies
npm install
# run fx
node index.js package.json
# run the build
npm run build
# try the built binary
./dist/fx-linux package.json
```
## License
[MIT](https://github.com/antonmedv/fx/blob/master/LICENSE)