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

[Michael Albinus]

crocket <crockabiscuit@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@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.