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Re: incorrect brace expansion when using default values


From: Andreas Schwab
Subject: Re: incorrect brace expansion when using default values
Date: Wed, 06 Sep 2006 11:04:45 +0200
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.50 (gnu/linux)

prj@po.cwru.edu (Paul Jarc) writes:

> Mike Frysinger <vapier@gentoo.org> wrote:
>> this little bit of code doesnt work right:
>> foo() { echo "${1:-a{b,c}}" ; }
>
> Brace expansion happens before parameter expansion (man bash,
> EXPANSION).

Brace expansion doesn't come into play here, because the braces are
quoted.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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