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From: "Krongard, William T. (BLM)" <WTKrongard@express-scripts.com>
Newsgroups: gnu.bash.bug
Subject: bash 5.0 on AIX 7.2 server -- Division by 0 when using bash from shell window
Date: Tue, 30 Jun 2020 13:19:41 +0000
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References: <576596d2aa2b49e69afbb0577a140a40@express-scripts.com> <20200629213225.GZ22833@eeg.ccf.org> <64782babf9aa4b6c99b3a8e77d1e70f3@express-scripts.com>
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To: Greg Wooledge <wooledg@eeg.ccf.org>
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Thread-Topic: [EXTERNAL] Re: bash 5.0 on AIX 7.2 server -- Division by 0 when using bash from shell window
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Xref: csiph.com gnu.bash.bug:16498

Greg,

Thank you, found the issue in "root" .profile, you were correct a '1' had b=
een added to Prompt Command variable.


Respectfully,

William Krongard
Express Scripts Services,=20
Server Support
Work:  (952)-837-7537
Cell:  (763) 442-0640
Server Support Confluence page:
Server Support landing page
To reach out to the Server Support Team through Mattermost:
https://mattermost.express-scripts.com/express-scripts/channels/server-supp=
ort





-----Original Message-----
From: Greg Wooledge <wooledg@eeg.ccf.org>=20
Sent: Monday, June 29, 2020 4:32 PM
To: Krongard, William T. (BLM) <WTKrongard@express-scripts.com>
Cc: bug-bash@gnu.org
Subject: [EXTERNAL] Re: bash 5.0 on AIX 7.2 server -- Division by 0 when us=
ing bash from shell window

On Mon, Jun 29, 2020 at 08:24:01PM +0000, Krongard, William T. (BLM) wrote:
> Description:
>         execution of "bash" from shell window gets a division by zero=20
> message # bash
> bash: (1-0/roothome1): division by 0 (error token is "roothome1)")
> bash: (1-0/roothome1): division by 0 (error token is "roothome1)")
>=20
> every command executed is followed by the division by 0 message

This will be caused by something in your environment -- either the PS1 vari=
able, or the PROMPT_COMMAND variable, or a DEBUG trap, which is being set i=
n one of root's dot files on your system.

Most probably, you've got $(( )) where you meant to have $( ), or something=
 along those lines.  It'll probably be obvious once you print out the conte=
nts of the PS1 and PROMPT_COMMAND variables, and the output of "trap" with =
no arguments.