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Date: Sat, 1 Nov 2003 12:51:58 +0100
From: Nicolas Rachinsky <list@rachinsky.de>
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Subject: Re: RFC: proposed new builtin for /bin/sh (associative arrays)
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* Oliver Fromme <olli@lurza.secnetix.de> [2003-10-31 21:16 +0100]:
> Maybe I'm not understanding your intentions, but isn't that
> already possible using "set | sed -n '/^foo_/s/=.*//p'"?
> 
> Or do you want to avoid external programs?  In that case it
> would be a little bit more difficult to do, but it's still
> possible to do with existing builtins:
> 
> indexes()
> {
>     for i in `set`; do
>         case $i in
>             $1*) echo ${i%%=*}
>         esac
>     done
> }

I think both of these could fail with multiline values.

Nicolas