From: Brian Ross <p.brian.ross@...>
Date: 2008-08-21T02:34:32+09:00
Subject: Iterating through a hash

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How can I iterate through a hash so that each key is modified and saved into
a new hash?

# Beginning of code

hash = {"name"=>"greg", "job"=>"boring", "hair"=>"plenty"}
p hash

map = hash.each_key do |key|
  key.upcase
end

p map

# End of code

I'd imagine that this would return map as a new hash with the keys modified.
Is there anything like collect! for hashes?

Brian

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