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Re: Sorting file names randomly

X-seq: zsh-users 12218
From: Clint Adams <clint@xxxxxxx>
To: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
Subject: Re: Sorting file names randomly
Date: Sun, 18 Nov 2007 23:21:36 -0500
Cc: Zsh Users <zsh-users@xxxxxxxxxx>
In-reply-to: <1050724064415.ZM20425@xxxxxxxxxxxxxxxxxxxxxxx>
Mail-followup-to: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>, Zsh Users <zsh-users@xxxxxxxxxx>
Mailing-list: contact zsh-users-help@xxxxxxxxxx; run by ezmlm
References: <20050723194240.GA32416@DervishD> <20050723212657.GA744@DervishD> <1050724064415.ZM20425@xxxxxxxxxxxxxxxxxxxxxxx>

On Sun, Jul 24, 2005 at 06:44:15AM +0000, Bart Schaefer wrote:
> A more efficient way might be this:
> 
>     function shuffle {
>       emulate -L zsh
>       declare -A h
>       local +h -Z 5 RANDOM=$SECONDS
>       integer i
>       # set -- $~*   # uncomment to use with noglob alias
>       for ((i=1; i <= $#; ++i)) { h[$i.$RANDOM]=$argv[i] }
>       reply=( $h )
>       print -l $reply
>     }

Is there any chance that prepending "$i." and hashing it will
decrease the randomness of the shuffle significantly?

Follow-Ups:
- Re: Sorting file names randomly
  - From: Bart Schaefer

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