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Date: Wed, 17 Oct 2012 11:31:06 +1100
From: Geoff Wing <gcw@zsh.org>
To: Zsh-Users List <zsh-users@zsh.org>
Subject: Re: set variable to output and immediately lowercase it?
Message-ID: <20121017003106.GA7448@primenet.com.au>
References: <CADjGqHvY-2-geC3F+O7-72N=52m+Q6_0J92-vQxPiFh2ufYvdA@mail.gmail.com>
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Organization: PrimeNet Computer Consultancy
User-Agent: Mutt/1.5.21 (2010-09-15)

On Tuesday 2012-10-16 18:42 -0400, TJ Luoma output:
:Is there a (reasonably sane) way to combine these into one line:
:	FOO=$(echo HeLlo WoRlD)
:	FOO="${FOO:l}"
:I tried
:	FOO=$(echo HeLlo WoRlD):l
:and
:	FOO=($(echo HeLlo WoRlD):l)
:but they don't work, it just adds ":l" to the end of the variable.

Try small `l' parameter modifier
	FOO=${$(echo HeLlo WoRlD):l}
or capital `L' parameter expansion flag
	FOO=${(L)$(echo HeLlo WoRlD)}

Regards,
Geoff