Re: [bash 4] 'test -v 1' is never true

[Alejandro Colomar]

Hi Chet!

On 11/26/22 18:44, Chet Ramey wrote:
> On 11/25/22 4:02 PM, Alejandro Colomar wrote:
> > Hi!
> >
> > I wrote a script, and am trying it on many systems.  On RHEL8, which has bash 
> > 4, it didn't work.  I could reduce the problem to the following command, which 
> > never returns true:
> >
> >      test -v 1;
>
> This is a bash feature. I cribbed it from ksh93, and it first appeared in
> bash-4.2.
>
> The initial implementation was restricted to shell variables -- positional
> parameters like $1 are not shell variables.
>
> After a bunch of requests, like
>
> https://lists.gnu.org/archive/html/bug-bash/2018-12/msg00098.html
> https://lists.gnu.org/archive/html/bug-bash/2018-12/msg00104.html
> https://lists.gnu.org/archive/html/bug-bash/2020-01/msg00027.html
>
> I added support for testing positional parameters in bash-5.1.

That was my gut; thanks!  I'll workaround with $#.

Cheers,

Alex


--
<http://www.alejandro-colomar.es/>

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