fx: A JavaScript repository from jmylchreest

* Function eXecution

Command-line JSON processing tool

Features

$ npm install -g fx

Or via Homebrew

$ brew install fx

Or download standalone binary from releases page.

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