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Date: Sat, 26 Sep 2015 21:57:10 +0300
From: Dmitri Vereshchagin <dmitri.vereshchagin@gmail.com>
To: zsh-users@zsh.org
Subject: Re: question about parameter expansion
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* Mikael Magnusson <mikachu@gmail.com> [2015-09-26 21:34]:
> Here's another variant, which may or may not be considered more
> concise (it happens to be the exact same number of characters, but
> uses fewer things, and probably doesn't work under ksh_arrays, but
> then, what does, commas abounds),
> 
> bar=${${:-baz}[1,$+foo-1]}

Nice.  Seems like there is another alternative

bar=${${foo-baz}#$foo}

-- 
Dmitri Vereshchagin