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From: Clint Adams <clint@zsh.org>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: Zsh Users <zsh-users@sunsite.dk>
Subject: Re: Sorting file names randomly
Date: Sun, 18 Nov 2007 23:21:36 -0500	[thread overview]
Message-ID: <20071119042136.GA11967@scowler.net> (raw)
In-Reply-To: <1050724064415.ZM20425@candle.brasslantern.com>

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?


  parent reply	other threads:[~2007-11-19  4:22 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-23 19:42 DervishD
2005-07-23 21:26 ` DervishD
2005-07-24  6:44   ` Bart Schaefer
2005-07-24  7:39     ` DervishD
2005-07-24  8:37     ` DervishD
2005-07-24  8:40       ` DervishD
2005-07-24 10:32         ` Bart Schaefer
2005-07-25  6:47           ` Bart Schaefer
2005-07-25 13:15           ` DervishD
2005-07-25 13:27           ` DervishD
2005-07-25 17:46             ` Bart Schaefer
2005-07-25 18:10               ` DervishD
2007-11-19  4:21     ` Clint Adams [this message]
2007-11-19  8:57       ` Bart Schaefer
2007-11-19  9:08         ` Bart Schaefer
2007-11-19 11:44         ` Clint Adams

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