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Re: strange expansion of <(cat p.main.{optional,extra})


From: Andreas Schwab
Subject: Re: strange expansion of <(cat p.main.{optional,extra})
Date: Wed, 18 Apr 2007 14:37:03 +0200
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.97 (gnu/linux)

Eric Blake <address@hidden> writes:

> According to Andreas Schwab on 4/18/2007 4:01 AM:
>> Lucas Nussbaum <address@hidden> writes:
>> 
>>> Well, no, because bash expands *parameters*, not words. So the prefix is
>>> "<(cat /etc/", and the suffix is ")".
>> 
>> But that would not be a *strict textual* expansion.
>
> According to 'man bash', brace expansion is documented as being able to
> expand one word into many.

The documentation talks about strings, not words.

> <(...) forms a single word, even when ...  contains unquoted spaces.

That requires syntactic interpretation to the context of the expansion,
which is explicitly excluded.

Andreas.

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