From: Siratinee Sukachai <ploy.sukachai@...>
Date: 2011-04-23T20:43:52+09:00
Subject: Recursive to check same key in has

h1 = {project=>{opp=>{Index=>{title=>Opportunities}}}}
h2 = {project=>{opp=>{Index=>{link=>Report}}}}

I need to check same key in hash and group the value to assign to the
same key of hash. How to do that?

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