#!/usr/bin/env ruby
require 'json'
if ARGV.length != 1
  puts "Usage: cohai attribute . For e.g. - cohai kernel.release"
  exit 1
end
ohai_output = JSON.parse(ohai)
ARGV[0].split(".").each do |key|
  ohai_output = ohai_output[key]
end
puts ohai_output