From: Tim Pease <tim.pease@...>
Date: 2008-05-13T23:57:12+09:00
Subject: Re: Updating all values in a Hash

On May 13, 2008, at 8:20 AM, Paul Dugdale wrote:

> Does anyone know a good way to update all values in a hash.
>
> E.g. If I have a big hash with each element containing a string as a
> value, how can I make each string lower-case?


h = {1 => 'ONE', 2 => 'TWO'}
h.each {|k,v| v.downcase!}

This assumes that all your values really are strings. You'll get some  
errors if any of the values do not have a downcase! methd.

Blessings,
TwP