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From: DervishD <raul@pleyades.net>
To: Dan Nelson <dnelson@allantgroup.com>
Cc: Clint Adams <clint@zsh.org>, Zsh Users <zsh-users@sunsite.dk>
Subject: Re: How to generate a list of numbers without 'seq'?
Date: Sat, 20 Mar 2004 11:00:00 +0100	[thread overview]
Message-ID: <20040320100000.GA302@DervishD> (raw)
In-Reply-To: <20040319163425.GF99558@dan.emsphone.com>

    Hi Dan :)

 * Dan Nelson <dnelson@allantgroup.com> dixit:
> > > print -l {0..10}
> >     This is more similar to the solution I was trying using <X-Y>,
> > which doesn't seem to work if it cannot be expanded :( But IIRC, I've
> > used <X-Y> syntax to generate list of numbers, but I don't remember
> > how, when, etc.
> <x-y> is pattern matching, so it only matches existing filenames;

    Is there a way of making it work in string environment or
something like that (a mechanism similar to the use of globbing flags
in pattern matching at parameter expansion)?

> {x..y} is parameter expansion so it generates its own values.  If
> you have a LOT of numbers you want to generate, {x..y} will suck up
> memory, so incrementing and printing a counter variable in a loop
> is better.

    So for general use, when you don't know in advance how many
numbers you want to generate, is better to use the variable in a
loop.

    Thanks for the information :))

    Raúl Núñez de Arenas Coronado

-- 
Linux Registered User 88736
http://www.pleyades.net & http://raul.pleyades.net/


  reply	other threads:[~2004-03-20  9:59 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-03-18 20:52 DervishD
2004-03-18 21:12 ` Clint Adams
2004-03-19  9:58   ` DervishD
2004-03-19 16:34     ` Dan Nelson
2004-03-20 10:00       ` DervishD [this message]
2004-03-21  3:54         ` Dan Nelson
2004-03-21 12:06           ` DervishD

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