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Re: ${!vname} not documented

From: Chet Ramey
Subject: Re: ${!vname} not documented
Date: Tue, 6 Oct 2009 09:04:24 -0400

> > It would be more obvious if it had a paragraph directly below
> > ${parameter} saying something like:
> > 
> >        ${!name}
> >        Indirect expansion.  name is expanded to produce the name of a
> > variable to expand.
> i imagine Chet takes patches

I do, but the proposed text is misleading and incorrect.  Since indirect
expansion is available for the `parameter' part of every other substitution,
it's inappropriate to present it as a standalone expansion like this.  That's
why it appears where it does.

``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/

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