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Re: Ordering bug when handling redirection with file descriptors


From: Chet Ramey
Subject: Re: Ordering bug when handling redirection with file descriptors
Date: Mon, 1 Feb 2021 09:57:17 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.6.1

On 2/1/21 12:32 AM, Oğuz wrote:
.. but, I'm not sure about this case:

     $ set -o posix
     $ a=`uname >&4` env 4>&1
     bash: 4: Bad file descriptor
     a=

Bash always performs word expansions and variable assignments preceding
commands before redirections, and always has. I'm not changing it now,
after 30 years.

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



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