From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <zsh-workers-request@math.gatech.edu>
Received: (qmail 23429 invoked from network); 3 Nov 1997 22:48:41 -0000
Received: from ns2.primenet.com.au (7795@203.24.36.3)
  by ns1.primenet.com.au with SMTP; 3 Nov 1997 22:48:41 -0000
Received: (qmail 1463 invoked from network); 3 Nov 1997 22:48:35 -0000
Received: from math.gatech.edu (list@130.207.146.50)
  by ns2.primenet.com.au with SMTP; 3 Nov 1997 22:48:35 -0000
Received: (from list@localhost)
	by math.gatech.edu (8.8.5/8.8.5) id RAA04889;
	Mon, 3 Nov 1997 17:23:45 -0500 (EST)
Resent-Date: Mon, 3 Nov 1997 17:21:45 -0500 (EST)
Sender: rz2a022@rrz.uni-hamburg.de
Message-ID: <345E4E6F.7ACB1F6A@rrz.uni-hamburg.de>
Date: Mon, 03 Nov 1997 23:21:36 +0100
From: Bernd Eggink <eggink@rrz.uni-hamburg.de>
Organization: Regionales Rechenzentrum der Uni Hamburg
X-Mailer: Mozilla 4.03 [en] (X11; I; Linux 2.0.30 i586)
MIME-Version: 1.0
To: Bruce Stephens <B.Stephens@isode.com>
CC: zsh-users@math.gatech.edu
Subject: Re: for-command problem
References: <199711031720.MAA27902@math.gatech.edu>
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Resent-Message-ID: <"EcywA3.0.fA1.vvaNq"@math>
Resent-From: zsh-users@math.gatech.edu
X-Mailing-List: <zsh-users@math.gatech.edu> archive/latest/1123
X-Loop: zsh-users@math.gatech.edu
X-Loop: zsh-workers@math.gatech.edu
Precedence: list
Resent-Sender: zsh-workers-request@math.gatech.edu

Bruce Stephens wrote:
> 
> agn@uitesa.es said:
> > for  ((let n=1; $n < 12 ; let n=$n+1))
> > do
> > echo $n
> > done
> 
> This works:
> 
> for ((n=1; $n<12; n=$n+1))
> do
> echo $n
> done

The $ is not necessary, since the expressions are evaluated as
arithmetic expressions. Thus:

   for (( n = 1; n < 12; ++n )) 
   do ...
   done


-- 
Bernd Eggink
Regionales Rechenzentrum der Universitaet Hamburg
eggink@rrz.uni-hamburg.de
http://www.rrz.uni-hamburg.de/eggink/BEggink.html