Re: whence output varies with dot vs. realpath in $PATH

[Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>]

On Mon, Oct 31, 2022 at 4:21 PM Ray Andrews <rayandrews@xxxxxxxxxxx> wrote:
>
> On 2022-10-31 16:14, Lawrence Velázquez wrote:
> > Why should whence ignore it? An empty PATH element actually means
> > something to PATH searches; it is not cosmetic.
> >
> What use would that be?

It's an archaic synonym for ".", included for backward compatibility.
See POSIX spec.