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Re: No tilde expansion right after a quotation


From: Paul Jarc
Subject: Re: No tilde expansion right after a quotation
Date: Sun, 15 Feb 2009 19:44:51 -0500
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux)

Jon Seymour <address@hidden> wrote:
> On Mon, Feb 16, 2009 at 10:22 AM, Paul Jarc <address@hidden> wrote:
>> CPATH=${CPATH:+$CPATH:}${#+~usr1/blah/blah}
>
> Out of interest, how does one derive that outcome from the documented
> behaviour of bash? That is, which expansion rules are being invoked?

It's ${parameter+word}, using $# (which is always set) as the
parameter.


paul




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