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Re: Backslash missing in brace expansion


From: Chet Ramey
Subject: Re: Backslash missing in brace expansion
Date: Fri, 6 Dec 2019 09:27:43 -0800
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.9.1

On 12/6/19 9:23 AM, Robert Elz wrote:

> I'm not sure I accept the explanation for the \ missing though, quoting is
> also a parser activity (though some of it also happens in pattern matching).
> But normally, backslashes (or any other form of quoting) that result from
> expansions are simply characters.   Quote removal is only supposed to remove
> quotes that were present on the original command line.

Quote removal is a word expansion, and removes quotes that were present in
the original word passed to word expansion. Brace expansion is performed
before any of the POSIX word expansions, and is logically a separate step.

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



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