GNU bug report logs - #19731
24.4; /dev/null is deleted by tramp-sh.el

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From: Michael Albinus <michael.albinus <at> gmx.de>
To: crocket <crockabiscuit <at> gmail.com>
Cc: Glenn Morris <rgm <at> gnu.org>, Stefan Monnier <monnier <at> iro.umontreal.ca>, 19731 <at> debbugs.gnu.org
Subject: bug#19731: 24.4; /dev/null is deleted by tramp-sh.el
Date: Tue, 03 Feb 2015 09:34:18 +0100

crocket <crockabiscuit <at> gmail.com> writes:

> Unsetting HISTFILE and setting HISTFILESIZE to 0 disables history
> logging altogether on bash.

HISTFILESIZE is bashism. Other shells use HISTSIZE.

> On Feb 3, 2015 5:08 AM, "Glenn Morris" <rgm <at> gnu.org> wrote:
>     
>     http://pubs.opengroup.org/onlinepubs/9699919799/utilities/fc.html
>     
>     says that
>     
>     If the HISTFILE variable is not set, the shell may attempt to
>     access
>     or create a file .sh_history in the directory referred to by the
>     HOME
>     environment variable.
>     
>     and indeed by experiment with bash 4.2.45, that is exactly what
>     happes
>     with HISTFILE unset and using "bash --posix".
>     
>     So (probably) you can't win.

Now, when I unset HISTFILE in Tramp, I also set HISTFILESIZE and
HISTSIZE to 0. And hope it works with most shells. Praying won't help.

Best regards, Michael.

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