BitBar script to show BRL currency

currency.1h.rb

#!/usr/bin/env ruby

require 'net/http'
require 'json'

url = "http://data.fixer.io/api/latest?access_key=${ENV['FIXER_API_KEY']}&symbols=BRL"
response = Net::HTTP.get(URI(url))
body = JSON.parse(response)

rate = body['rates'] && body['rates']['BRL'] # sometimes I work with ruby 2.2 which doesnt have dig =( 

if rate
  puts ("EUR: R$ %.3f" % rate)
else
  puts 'EUR: ---'
end