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Re: Incompatible Applescript
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Re: Incompatible Applescript


  • Subject: Re: Incompatible Applescript
  • From: Uli Kusterer <email@hidden>
  • Date: Wed, 14 Jun 2006 22:09:46 +0200


Am 14.06.2006 um 20:00 schrieb Jerrod Fowkes:
p.s. I understand that applescript can be extended per application. I have the same version here...but I didn't know that the core scripting language can change fundamentally from OS version to OS version. I have all the latest updates for both macs. If Applescript is this "breakable" from OS version to OS version...then what is the point? Any further information / discussion would be helpful here as well.

Ok I have figured out what the issue was. In this line :

    add filename to playlist my_new_playlist

it should have been

    add alias filename to playlist my_new_playlist

in order for it to work on both platforms or both "versions" of the applescript engine.

I wonder how many other "soubtleties" I can uncover since this one costed me 3 hours of development.

AppleScript's type system is missing lots of coercion handlers. As you found out, Apple have added a few (in this case, a string -> alias coercion handler) in recent system versions. The way Apple doesn't expose data types but somehow still exposes them is IMHO one of the main issues of AppleScript.


Cheers,
-- M. Uli Kusterer
http://www.zathras.de


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