From: Logan Capaldo <logancapaldo@...>
Date: 2006-08-06T04:21:08+09:00
Subject: Re: Smoking hash-ish: Letter mapping...


On Aug 5, 2006, at 3:07 PM, Meino Christian Cramer wrote:

> Oh...there is another issue:
>
> With encmap=Hash[*('A'..'Z').to_a.sort{rand(2)}] I only will get 13
> instead of 26 mappings! How can I fix /that/ ?
>
> Keep encoding! :)
> mcc
>

Actually its generally considered better to do sort_by{rand} that sort 
{rand(2)}

If you only want to randomize key or value you can do

first = ("A".."Z").to_a
second = ("A".."Z").sort_by{rand}

encmap = Hash[ *first.zip(second).flatten ]