From: Peter Stephenson <pws@csr.com>
To: zsh-workers@sunsite.dk (Zsh hackers list)
Subject: Re: Shell variable tables:setting value for elemet 1 overwrites element 0
Date: Wed, 25 May 2005 13:05:43 +0100 [thread overview]
Message-ID: <5033.1117022743@csr.com> (raw)
In-Reply-To: <OFB8636392.BEFDACE9-ONC125700C.00408215@bull.com.pl>
wojciech.szenajch@bull.com.pl wrote:
> If this is the case, then any operation performed on element 0 should
> return error message. This is misleading that operations like
> TB[0]=zero; echo ${TB[0]} are accepted.
Yes, it was probably the wrong decision to accept [0] in this case.
I hope no one's relying on it, but you can't be sure.
> I wonder why this zsh behaviour is kept, if all other popular shells number
> arrays from 0.
The array feature was originally based around csh rather than ksh. Accepting
0 as an alias for 1 dates from this time, I think.
--
Peter Stephenson <pws@csr.com> Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK Tel: +44 (0)1223 692070
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next parent reply other threads:[~2005-05-25 12:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <OFB8636392.BEFDACE9-ONC125700C.00408215@bull.com.pl>
2005-05-25 12:05 ` Peter Stephenson [this message]
2005-05-25 14:48 ` Bart Schaefer
2005-05-27 11:47 ` Peter Stephenson
2005-05-25 10:55 wojciech.szenajch
2005-05-25 11:40 ` Peter Stephenson
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