From: DervishD <zsh@dervishd.net>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: Zsh Users <zsh-users@sunsite.dk>
Subject: Re: Arithmetic expression and TRY_BLOCK_ERROR
Date: Thu, 29 Sep 2005 12:30:03 +0200 [thread overview]
Message-ID: <20050929103003.GA69@DervishD> (raw)
In-Reply-To: <1050928145530.ZM24311@candle.brasslantern.com>
Hi Bart :)
* Bart Schaefer <schaefer@brasslantern.com> dixit:
> On Sep 28, 10:46am, DervishD wrote:
> }
> } 'let variable=0' is shorter ;) I really don't know the reason,
> } but I can find this kind of assignment everywhere :-/
> I suspect it's simply Peter's preference to always use variables in
> a consistent context, i.e., either in math expressions or out, not
> some of each. A possible reason for this is future-proofing.
I understand, thanks for the explanation :)
> Also, some people prefer the readability of being able to put spaces
> around the "=".
Me, for example. In fact, the entire ((...)) syntax is quite good
when reading shource files, it really catches the eye.
> However, doing integer/float assignments in math context is marginally
> more efficient than doing them as plain assignments. In a single
> command this is probably offset by the overhead of parsing the (( )),
> but in a loop it could become important, and if you're in the habit of
> always writing the (( )) you won't forget them where they matter.
Thanks for both the explanation and the advice :)
Raúl Núñez de Arenas Coronado
--
Linux Registered User 88736 | http://www.dervishd.net
http://www.pleyades.net & http://www.gotesdelluna.net
It's my PC and I'll cry if I want to...
prev parent reply other threads:[~2005-09-29 10:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-27 23:41 DervishD
2005-09-28 0:11 ` John Reese
2005-09-28 0:48 ` Will Maier
2005-09-28 1:04 ` John Reese
2005-09-28 8:46 ` DervishD
2005-09-28 14:55 ` Bart Schaefer
2005-09-29 10:30 ` DervishD [this message]
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