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Hide file extension via rename
Authored by: b00le on Apr 05, '06 07:45:19AM

It can indeed affect the Mac's ability to open a file. I recently wanted to remove the .jpg extensions from a couple of hundred digital camera files on a CD (to make contact sheets for a university thesis - long story). Renamer4Mac did the job just fine, but Photoshop would no longer recognise the files as something it could open. The only solution was to run a Batch process to open each file in Photoshop, then save it again - after that, removing the extensions did no harm (something to do with resource forks, or whatever they're called these days? Geek input required...)



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Hide file extension via rename
Authored by: fracai on Apr 05, '06 08:33:01AM

I bet you could have selected all the images, selected Get Info for them all (Info Inspector is probably the best bet or you'll end up with a window for each if the number of files is low), and change the Open With selection to Photoshop.

Opening and saving with PS probably just set the type and creator info. It's possibly that the Open With data was also set in this manner.

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Hide file extension via rename
Authored by: ngb on Apr 05, '06 10:22:30AM

Photoshop is very strict when it comes to dealing with filename extensions. Having the wrong extension is even worse than having no extension. I think the programmers were being lazy, because a peek at the first several bytes of data in an image file will usually reveal what type it is (jpeg, tiff, etc.)

If you need to make contact sheets without filename extensions (and without having to rename everything), you probably need to create a custom script using javascript, which is a pain because the built in contact sheet action is so nice.



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Hide file extension via rename
Authored by: b00le on Apr 06, '06 07:03:58AM
Setting 'Open with...' to Photoshop: I thought of that - it didn't work. Opening, resaving with the 'Batch...' command, and then removing the extension, did.

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