[forther] checking file and folder existence

[rt4all at hetnet.nl]

Aaagh, FILE-STATUS of course from File EXT.
(can adjust coco-vfx and coco-sf as well).
Oh well.
-r

> On 10 Jun 2020, at 08:45, rt4all at hetnet.nl wrote:
> 
> Hi all,
> 
> Are there iForth versions for
> SwiftForth  IS-DIR ( z-addr -- flag )   and  IS-FILE ( z-addr -- flag )
> or VFX  dirExists?	\ caddr len -- flag    and   FileExist?    \ caddr len -- flag
> 
> I need to check the existence of nib files just prior to an attempt showing them
> on the screen in macOS coco-i4 SHOW.NIB
> 
> Thank you, -roelf
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