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Creator code and file extension
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Creator code and file extension


  • Subject: Creator code and file extension
  • From: Jay Teo <email@hidden>
  • Date: Wed, 8 Oct 2003 15:34:39 -0700

Hi All,

I know some folks consider creator codes and type codes evil and should be banished. However, many users of my batch imaging app have written to request for the option to bind the output files with the application of their choice. I found that a fair enough request and so am trying to implement it.

I believe my app is setting the creator and type codes correctly. However, the file extension seems to be taking precedence over the creator code.

> GetFileInfo jane.jpg
file: "jane.jpg"
type: "JPEG"
creator: "8BIM"
attributes: avbstclinmEd
created: 10/08/2003 15:02:17
modified: 10/08/2003 15:02:17

As shown by GetFileInfo, the creator in this case is set to 8BIM (Photoshop). But double-clicking on this file still opens it in Preview. Now if I just rename this file to "jane" (removing the extension), double-clicking opens it in Photoshop.

After hours of Googling and searching this archive, I am at a loss. Isn't the creator code supposed to take precedence over the file extension? Any help appreciated.


-Jay Teo
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