* Function eXecution

Command-line JSON processing tool

Features

• Easy to use
• Standalone binary
• Interactive mode 🎉
• Themes support 🎨
• Streaming support 🌊
• Bash completion

Install

$ npm install -g fx

Or via Homebrew

$ brew install fx

Or download standalone binary from releases page.

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Usage

Start 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.

$ curl ... | fx 'json => json.message'

Or same as above but short.

$ curl ... | fx this.message
$ curl ... | fx .message

Pass any numbers of arguments as code.

$ curl ... | fx 'json => json.message' 'json => json.filter(x => x.startsWith("a"))'

Access all lodash (or ramda, etc) methods by using .fxrc file.

$ curl ... | fx '_.groupBy("commit.committer.name")' '_.mapValues(_.size)'

Update JSON using spread operator.

$ echo '{"count": 0}' | fx '{...this, count: 1}'
{
  "count": 1
}

Pretty print JSON with dot.

$ curl ... | fx .

Stream JSON into fx.

$ kubectl logs ... -f | fx .message

Apply fx to a few JSON files.

$ cat *.json | fx .length
3
4

And try this:

$ fx --life

Documentation

See full documentation.

Links

• Discover how to use fx effectively

Related

• xx – fx-like JSON tool (go)
• eat – converts anything into JSON
• ymlx – fx-like YAML cli processor
• fx-completion – bash completion for fx
• fx-theme-monokai – monokai theme
• fx-theme-night – night theme

License

MIT