[U-Boot] [BUG] cmd : Local Hush Variable Could not be deleted

[Adarsh Babu Kalepalli]

 Hello Wolfgang Denk,

> => localvar=
> => showvar
> HUSH_VERSION=0.01
> target=pxe
> devnum=1
> localvar=hello

When 'localvar' is assigned an empty value , the 'showvar' command
displays the previously assigned 'hello'.

How do we set an empty value to a hush shell local variable ??

Regards,
Adarsh

On Mon, Oct 14, 2019 at 3:58 PM Wolfgang Denk <wd at denx.de> wrote:

> Dear Adarsh Babu Kalepalli,
>
> In message <
> CAJgxa7c150OvA0bHPROWuizG+DvLrReRbqAoJ96QXkwhhhZsug at mail.gmail.com> you
> wrote:
> >
> > How do I delete a hush-shell local variable??
>
> You cannot.  Local variables can be set to an empty value, but they
> cannot be deleted.
>
> Note that there is no functional difference between a non-existing
> local variable and one with an empty value anyway.  Same as in other
> shells.
>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
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