on 2005-05-03 3:57 PM, Michelle Steiner at email@hidden wrote:
> On May 3, 2005, at 12:46 PM, Christopher Nebel wrote:
>
>>> set theImage to choose file of type {"png"} does not work.
>>>
>>> Anyone got any suggestions?
>>
>> Yes -- use the right identifier. To get the type identifier for
>> any particular file, use "info for" and look at the "type
>> identifier" field. In your case, you want "public.png".
>
> Where can I find type identifiers documented? Or do I have to
> execute an "info for" each time I need to script the type
> identifier? Why couldn't the type identifier for a png file be
> simply "png"?
Chris's answer suggests that this parameter uses Uniform Type Identifiers
("UTI"), a feature introduced in Panther that is blossoming in Tiger.
Indeed, the AppleScript 1.10 release notes say, "The 'of type' parameter to
the 'choose file' command now accepts either a list of file types or a list
of type identifiers."
The AppleScript release notes make for pretty exciting reading. There's a
lot of fixed and new stuff for our enjoyment.
<http://developer.apple.com/releasenotes/AppleScript/AppleScript.html>
UTI's are pretty well documented. The documentation is in the developer
documentation, because UTI's are not limited to AppleScript. Start here:
<http://developer.apple.com/documentation/Carbon/Conceptual/understanding_ut
is/>
--
Bill Cheeseman - email@hidden
Quechee Software, Quechee, Vermont, USA
http://www.quecheesoftware.com
PreFab Software - http://www.prefab.com/scripting.html
The AppleScript Sourcebook - http://www.AppleScriptSourcebook.com
Vermont Recipes - http://www.stepwise.com/Articles/VermontRecipes
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