[X-Unix] BOMArchive Helper ?

[Norman Cohen]

Hi,

I can't answer all your questions, or even most of them; however,  
reading the man page for ditto explained that the .zip files are in  
PKZIP format. If the resource fork is included, it will be stored in a  
separate file as either an .AppleDouble file or using a different  
option:

  --sequesterRsrc
            ditto will preserve resource forks and HFS meta-data in the  
direc-
            tory __MACOSX within PKZip archives.

It sounds as though BOMArchiveHelper either is a cocoa app that calls  
ditto (most likely) or implements similar functionality. The ability to  
work with .zip files was new with Panther 10.3.0 as best I can recall.  
Also, the copyright on BOMArchiveHelper was 2003, looking at the  
info.plist file in the package. This is consistent with a Panther 10.3  
release, but certainly doesn't prove it.

Norm
Norman Cohen
nacohen at mac.com

"The test of a first-rate intelligence is the ability to hold two  
opposed ideas in the mind at the same time, and still retain the  
ability to function."
F. Scott Fitzgerald

On Jun 19, 2004, at 8:40 PM, William H. Magill wrote:

> It was just pointed out to me that if you have a ".zip" file on  
> 10.3.4, "cntl-click" on the file, the "open with" application, is no  
> longer Stuffit, but is something called:
>            "BOMArchive Helper"
>
> This is also now the "documented way" (as in the help system) to  
> create an archive...
> select the file, from the file-menu select "Archive" - bingo a .zip  
> file is created.
>
> There is apparently a new CoreService:
>
>   
> /System/Library/CoreServices/BOMArchiveHelper.app/Contents/MacOS/ 
> BOMArchiveHelper
>
> But a search of the developer site for "BOMArchiveHelper" yields  
> nothing.
>
> (And naturally, there is no man page.)
>
> However, it is clear? from the "Data Management/ Archives and  
> Serializations" section that this is apparently deeply imbedded in the  
> OS.
>
> So, the question is -- what does this REALLY mean?
>
> A) Is Apple's zip different from the PC zip?
> B) Apple is adopting the classic "zip" format -- as in the old DOS  
> application program?
> C) ".zip" archives created on OS X can simply be passed over to a  
> Windows box?
>        (I know, the contents might be gibberish, but the Windows box  
> can open the archive.)
> D) Why is it called a "BOMArchive" ?
>         Does this somehow relate to the .bom files  (man bom, lsbom,  
> mkbom, etc.)
>
> E) man bom also points to man ditto and man zip ... but, again  
> naturally, "man zip" doesn't exist.
>
> D) was this added in 10.3.4 or simply not noticed before, but part of  
> 10.3.0?
>
>
> T.T.F.N.
> William H. Magill
> # Beige G3 - Rev A motherboard - 768 Meg
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> magill at mcgillsociety.org
> magill at acm.org
> magill at mac.com
>
>
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