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* 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

Name		Name	Last commit message	Last commit date
Latest commit History 179 Commits
.gitignore		.gitignore
.travis.yml		.travis.yml
DOCS.md		DOCS.md
Dockerfile		Dockerfile
LICENSE		LICENSE
README.md		README.md
bang.js		bang.js
config.js		config.js
find.js		find.js
fx.js		fx.js
index.js		index.js
package.json		package.json
print.js		print.js
reduce.js		reduce.js
stream.js		stream.js
test.js		test.js