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Command-line tool and terminal JSON viewer πŸ”₯
JavaScript Shell
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Latest commit f7a37e5 Jan 9, 2020

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* Function eXecution

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Command-line JSON processing tool


  • Easy to use
  • Standalone binary
  • Interactive mode πŸŽ‰
  • Streaming support 🌊


npm install -g fx

Or via Homebrew

brew install fx

Or download standalone binary from releases

bash <( curl -L )


Start interactive mode without passing any arguments.

$ curl ... | fx

Or by passing filename as first argument.

$ fx data.json

Pass a few JSON files.

cat foo.json bar.json baz.json | fx .message

Use full power of JavaScript.

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

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

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

Update JSON using spread operator.

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

Print formatted JSON to stdout.

$ curl ... | fx .

Pipe JSON logs stream into fx.

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

And try this:

$ fx --life


See full documentation.





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