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Date: Fri, 9 Jul 2010 19:17:38 -0400 (EDT)
From: "Benjamin R. Haskell" <zsh@benizi.com>
To: Zsh Users <zsh-users@zsh.org>
Subject: Assign to parameter in parameter -- opposite of ${(P)name}?
Message-ID: <alpine.LNX.2.01.1007091908420.4808@hp.internal>
User-Agent: Alpine 2.01 (LNX 1266 2009-07-14)
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It's the end of the week, and I'm tired, so I'm sure I'm completely 
overlooking something obvious, but how do you *assign* to a parameter 
whose name is in a parameter?

E.g., my latest guess:

name=foo
: ${${(P)name}::=something}
echo $foo
# should echo 'something'

Instead I get:
zsh: not an identifier:

Earlier attempt:
: ${${name}::=something}

Do I need to resort to 'eval'?

-- 
Best,
Ben