Re: Shell variable tables:setting value for elemet 1 overwrites element 0

[Peter Stephenson <pws@xxxxxxx>]

wojciech.szenajch@xxxxxxxxxxx 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@xxxxxxx>                  Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223 692070


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