Re: cd"": Shouldn't it fail?

[Kerin Millar]

On Sun, 28 Jan 2024 04:30:48 +0100
jwo@jwo.cz wrote:

> My opinion on this is that the ``cd ""'' command should fail with an
> error in this case. The zsh is the only POSIX-compatible or
> POSIX-shell-like shell that was available on machines to which I have
> access that exhibits this behavior.
> 
> I think that the empty argument can be relatively frequently caused by
> substitution with some undefined variable -- it's better to warn the
> user than to perform actions in the wrong directory.
> 
> We risk that this will break some badly written scripts.
> 
> I propose to make Bash report an error when the user attempts to cd into
> empty string, possibly with an shopt option that allows changing
> behaviour of the cd back to the current one -- silently ignoring the
> command.
> 
>                           Jiri Wolker.
> 

Related: https://austingroupbugs.net/view.php?id=1047

An associated issue is that there presently appears to be no way of suppressing 
the processing of CDPATH in bash.

-- 
Kerin Millar