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Invoking multiple commands that use $? for function return status


From: fatiparty
Subject: Invoking multiple commands that use $? for function return status
Date: Wed, 1 Dec 2021 14:56:04 +0100 (CET)

Dec 1, 2021, 13:49 by fxmbsw7@gmail.com:

> i dont understand you latter part, but maybe, 'saving $? after return to a
> var' does for you
>
Is there any possibility that the wrong exit code is returned if the same 
function is called from a different terminal window.  Are there any 
possibilities of failure, perhaps on a different scenario?

>
> On Wed, Dec 1, 2021, 14:38 fatiparty--- via <help-bash@gnu.org> wrote:
>
>> I have been coding some bash functions that return an exit status.  Then
>> calling $? to get the return value and act appropriately.  But I am
>> suspecting problems when I invoke multiple instances of $? simultaneously
>> using different console terminals.  I would be grateful on some ideas of
>> how to handle such circumstances.
>>



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