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Article #544

Re: How do you flatten a Mac file?

#544
From: Greg Berigan
Date: Wed, 17 Jun 1998 00:00
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In comp.infosystems.www.authoring.images,
chris.wood@ccgadv.demon.co.uk (Chris Wood) wrote:
>Marty Kent <mkent@emf.emf.net> writes

>> I've noticed that in PhotoShop (Mac), when you Export as GIF89, the
>> file is created with no resource fork, but if you Save and set File
>> Format to GIF, you get a resource fork. (I'm using PhotoShop 4; don't
>> know how things look in other versions.)
>>
>> As far as amputating resource forks from JPEGs, I haven't figured
>> out how to do it right from PhotoShop; have been using the demo 
>> version of ImageReady (available from Adobe's web site for free)
>> which handles it nicely. I'd sure like to know how to save 
>> resource-fork-less JPEGs straight from PhotoShop too...

> Could edit the file in ResEdit, deleting the icon.  Long way round
> though?

That would get rid of the icon, but the resource fork would still be
there, taking up one allocation block on the disk.  How much space this
takes up depends on (a) the size of the volume or (b) the disk's format
(i.e. HFS vs. HFS+).

There are many, many, many utilities out there that will strip or split
resource forks from the data forks of Mac files.  A quick search at
http://www.shareware.com/ on "resource fork" will find you most of them.

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From: Greg Berigan <gberigan@cse.unl.edu>
Subject: Re: How do you flatten a Mac file?
Date: 1998/06/17
Message-ID: <6m9cmi$lv8$3@unlnews.unl.edu>
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