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Re: is this coherent?


From: Andreas Schwab
Subject: Re: is this coherent?
Date: Thu, 12 Feb 2009 11:04:52 +0100
User-agent: Gnus/5.110009 (No Gnus v0.9) Emacs/22.3 (gnu/linux)

Antonio Macchi <address@hidden> writes:

> $ unset b
>
> $ echo ${!b-a}
> a

Indirection only looks at the PARAMETER part (here: b) of the
substitution.  Since b is not set there nothing to indirect through.

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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