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Re: redirections preceded by a word with builtins inconsistent


From: Chet Ramey
Subject: Re: redirections preceded by a word with builtins inconsistent
Date: Tue, 24 May 2016 13:41:32 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:45.0) Gecko/20100101 Thunderbird/45.1.0

On 5/24/16 12:09 PM, Dan Douglas wrote:
> On Tue, May 24, 2016 at 10:23 AM, Chet Ramey <address@hidden> wrote:
>> It's not that Posix `allows' a subshell, it requires a subshell
>> environment:
> 
> Hm sorry I thought it was "may". This is kind of easy to confuse with
> all the other unspecified things about side-effects from assignments
> affecting subsequent assignments and commands when there's no command
> name.

Yeah.  A subshell environment doesn't automatically mean a subshell, but
it means that changes in the subshell environment don't affect the parent.


-- 
``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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