Pretty print JSON command.

jpp.rb

#!/usr/bin/env ruby

require 'optparse'
require 'json'

options = {}
OptionParser.new do |opts|
  opts.banner = "Usage: example.rb [options]"

  opts.on("-x", "--extended", "Use awesome print") do |*|
    options[:extended] = true
  end
end.parse!

json = JSON.parse($stdin.read)
unless options[:extended]
  jj json
else
  require 'awesome_print'
  ap json
end