Re: Att: ZnU and foo

On Jan 4, 2006, Sandman wrote:
> So, the remove-extension-yet-it-still-works phenomenon continues. I was
> thinking that maybe in this movie:
>
> <http://www.sandman.net/files/extensions2.mov>
>
> Preview was somehow internally set to open unknown files since ZnU
> couldn't duplicate the above actions, so everything would be opened in
> Preview, but in this video:
>
> <http://www.sandman.net/files/extensions3.mov>
>
> It's clear that that isn't the case. I remove the extension from a PDF
> file and a RTF file, and both are correctly opened in Preview and TextEdit
> without having either extension or type/creator.
>

I tested this again today, and I see the original type:creator makes a
difference (yesterday I reported that when I removed the extension a PDF
continued to work, and it did so regardless of the Finder extension
preference).

Starting with (1) the Finder preference enabled, (2) two files, one
type:creator pdf:prvw (a PDF in Preview) and one PDF:CARO (an Acrobat PDF),
when I remove the extension:
- the Preview file becomes a Terminal-like icon and it also drops the
type:creator code.
- the Acrobat file continues to work.

I can of course use Get Info to reassociate the Preview file with either
Preview or Acrobat. But you know how a Get Info populates the Open With
field with apps that the OS assumes are relevant? In this case, I had to
choose Preview by hand, yet Acrobat was a default.

.

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