ghatak

require "json"

def save_pair(parent, myHash)
  myHash.each {|key, value|
    value.is_a?(Hash) ? save_pair(key, value) :
            #puts("parent=#{parent.nil? ? 'none':parent}, (#{key}, '')")
            parent[key] = ""
  }
end

hash = {
         "key1" => "val1",
         "subkey1" => { "subsubkey1" => "subsubval1" }
       }
puts JSON.pretty_generate(hash)

hash.each { | key, value |
        if value.class == Hash
                puts "Value for #{key} is Hash!"
                save_pair(hash, value )
        elsif value.class == Array
                puts "Value for #{key} is Array!"
        elsif value.class == String
                puts "Value for #{key} is String!"
                hash[key] = ""
        else
                puts "Value for #{key} is #{value.class}!"
        end
}

puts JSON.pretty_generate(hash)