RE: set -a leads to truncated output from ps

[Alain BROSSARD]

Hi Andreas,

     Sure, the variables explicitly assigned to get exported, that is the 
expected behavior.
But there is nothing which explains why the variable COLUMNS becomes an 
environment variable.

    Run “ps ax” twice and the results of the second execution is different from 
the first if and only if “set -a” was called fiirst. This is NOT an expected 
behavior.
Do the following and you won’t get a problem:

set -a
var1=xx
var2=xx
set +a
    All is fine, but do the following and COLUMNS gets exported:

set -a
echo $PATH | grep xxx/scripts || PATH=${PATH}:/newdir
   ps ax   is now truncated, definitely NOT expected

Regards,
Alain


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From: Andreas Schwab <schwab@linux-m68k.org>
Sent: Thursday, June 13, 2024 6:12 PM
To: Alain BROSSARD via Bug reports for the GNU Bourne Again SHell 
<bug-bash@gnu.org>
Cc: Alain BROSSARD <abrossard@reyl.com>
Subject: Re: set -a leads to truncated output from ps

Why do you think this is a bug in bash? You are telling the shell to export any 
modified variable, and you get what you asked for. -- Andreas Schwab, schwab@ 
linux-m68k. org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 
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Why do you think this is a bug in bash?  You are telling the shell to

export any modified variable, and you get what you asked for.



--

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