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Re: magic for apple{single,double} formats

daemon@ATHENA.MIT.EDU (Christos Zoulas)
Wed Nov 19 05:44:44 1997

From: christos@zoulas.com (Christos Zoulas)
Date: Wed, 19 Nov 1997 05:44:09 -0500
In-Reply-To: <199711190305.WAA21503@contents-vnder-pressvre.MIT.EDU>
       from John Hawkinson (Nov 18, 10:05pm)
To: John Hawkinson <jhawk@MIT.EDU>, moraes@deshaw.com
Cc: lcs@MIT.EDU, bug-sipb@MIT.EDU

On Nov 18, 10:05pm, jhawk@MIT.EDU (John Hawkinson) wrote:
-- Subject: magic for apple{single,double} formats

| Attached is a patch for a magic addition to support AppleDouble and
| AppleSingle, Apple binary disk formats, by way of Larry C. Stone
| <lcs@mit.edu>.
| 
| It occurs to me belatedly that there may be some other custom Apple
| file formats that may be found useful to file, and that there may be
| magic information on them from the A/UX (Apple's Unix for Macintosh)
| distribution.  I've thusly attached the magic file from A/UX 2.01.
| I note that the AppleDouble magic entry from it is slightly less-specific
| than Larry's but I don't really know what to conclude, nor do I have
| the specification for the file-format available to me (or at least,
| not to my knowledge).
| 
| I admit to lameness in failing to extract the redundant or useful
| magic entries from the A/UX magic file, perhaps if the file
| maintainers have spare time? :-)
| 
| Larry is also correct that the Magdir/Header text is a little
| inaccurate. I corrected it for our local installation but not
| in a generic fashion...
| 
| Also at the end are some patches that jhawk@bbnplanet.com (hat switch)
| had been batching to send to you the next time I sent updates.
| 
| I see that file 3.23 came out. These patches are against 3.22, but there
| don't seem to be any real conflicts. jhawk@bbnplanet.com had submitted to you
| some stuff on 22 July that seems completely missing in 3.23. I'll resend that
| to you on the assumption it got dropped, as I think the additions were sane.
| 

Thanks a lot. I must have missed jhawk's patches.

christos

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