From: seebs@... (Peter Seebach)
Date: 2007-04-30T12:02:48+09:00
Subject: Re: sorting by rand?

In message <55DCC0B4-DF5C-4D70-99E8-78D1572DDD16@sbcglobal.net>, Gary Wright writes:
>On Apr 29, 2007, at 10:28 PM, Peter Seebach wrote:

>> l = a.length
>> a.each_index { |x| a[x] = a[rand(l)] }

>You are trashing your original array.

True.

That said, with the apparent speed difference, it's probably worth
copying and then shuffling.

-s