cc: [email protected]
Subject: Re: [ast-users] Number of elements for declaring an indexed array via
'typeset pbargs[]' vs. 'typeset -a pbargs' ?
--------
> Where is the difference between the following two array declarations:
> -- snip --
> ksh93 -c 'typeset pbargs[] ; print ${#pbar...@]}'
> 1
> $ ksh93 -c 'typeset -a pbargs ; print
> ${#pbar...@]}'
>
>
> 0
> -- snip --
>
> Somehow it looks for the first form ('typeset pbargs[]') some kind of
> "hidden" empty array element gets created - is this a bug or a feature ?
>
>
The [] is in invalid subscript so this should be an error.
The shell is interpreting this as 0 and defining the 0th element.
I will generate a syntax error for an empty subscript.
David Korn
[email protected]
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