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Re: Assigning to BASHPID fails silently


From: Chet Ramey
Subject: Re: Assigning to BASHPID fails silently
Date: Wed, 19 Oct 2016 09:18:33 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.4.0

On 10/17/16 2:38 PM, Martijn Dekker wrote:
> bash 4.4.0 (I did not investigate other versions) does not produce an
> error message if you try to assign something to the BASHPID readonly
> using either arithmetic or normal assignment. Other readonlies produce a
> message on an assignment attempt. BASHPID seems to be an exception.

BASHPID is a dynamic variable.  There should be a sentence in the man
page that says assignments to it have no effect (as it does for GROUPS
and FUNCNAME, for example).  It probably should not be readonly, though
it has been marked as such in previous versions of bash.  I will fix
the man page first.

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



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