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From: Thorsten Kampe <thorsten@thorstenkampe.de>
Subject: Re: How to iterate over an array of associative arrays
Date: Sun, 14 Jul 2013 18:49:27 +0200
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* Valodim Skywalker (Sun, 14 Jul 2013 18:14:37 +0200)
> 
> I couldn't get that to work, either. The associative part seems to be
> lost after (P) indirection, since elements can be addressed numerically.
> 
> Anyways, here's an alternative suggestion:
> 
>   typeset -A a1 a2;
>   arr=( a2 a1 ); a1=(key val1); a2=(key val2);
>   for i in $arr; echo ${(e):-\$$i\[key]}
> 
> This uses (e), so beware of security implications.

...works. What for christ's sake does it do? (Of course, I could try to 
figure it out on my own, but that might take a few days...)

Thorsten