[REBOL] Re: File-modes on different platforms
From: nitsch-lists:netcologne at: 21-May-2002 1:30
Hi Anton,
Am Montag, 20. Mai 2002 16:04 schrieb Anton:
> Thanks Carl,
>
> I don't think it should be a bug, it's just an
> inconvenience for me, trying to automatically
> determine the type so I can generate the
> appropriate gui element to edit it.
>
> Maybe I can make it into a feature request.
>
> If each mode returns only one type (ie. never none),
> that allows my script to determine the gadget to be used
> automatically, in a very elegant way.
> I wonder if there are any other file-modes that
> return none sometimes.
>
i started to find 'none very convenient,
after discovering i can do:
any[comment "no comment"]
when empty strings are none. easy default-values that way.
originally when dealing with parse, but may be handy here too.
> Anton.
>
> > > But notice the "comment" file-mode at the bottom: "none" ??
> > > What rebol value has type none ?
> > > Can you investigate this Carl?
> > >
> > > get-modes %afile 'comment
> >
> > Seems if the file has no comment a 'none's returned, not an empty
> > string...
> >
> > >> get-modes %anton-filemode-test 'comment
> >
> > == none
> >
> > And after adding a comment to your file...
> >
> > >> get-modes %anton-filemode-test 'comment
> >
> > == "Test-comment"
> >
> > Should this be considered a bug?
> >
> > Carl.
greeting
Volker
