Article View: comp.sys.amiga.tech
Article #10019Re: zoo
From: J. Brian Waters
Date: Thu, 13 Oct 1988 14:54
Date: Thu, 13 Oct 1988 14:54
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> Suppose you store some files in a zoo archive, and zoo stores all the
> attribute bits as it gets them from the OS, and one of them happens to
> have a random value of 1. Suppose a year from now, this bit has been
> defined by Commodore to mean "this is a temporary file that should be
> deleted as soon as it is closed". When you unzoo the files then, zoo
If I read the AmigaDOS docs correctly this is not a problem. The bits are
undefined but have a forced value. I forget if it is 0 or 1 though. Then
in the future if the bit gets a meaning it is the reverse of the default that
activates the attribute. This would make it safe to store all 32 bits of
a file. And also prevents a future version of the op sys from misinterpriting
any files created prior to the release of the version that added the new bit.
--
Brian Waters <backbone>!{iuvax|pur-ee}!bsu-cs!jbwaters
uunet!---/
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!ames!pasteur!ucbvax!decwrl!purdue!iuvax!bsu-cs!jbwaters From: jbwaters@bsu-cs.UUCP (J. Brian Waters) Newsgroups: comp.sys.amiga.tech Subject: Re: zoo Summary: should not be a problem Message-ID: <4306@bsu-cs.UUCP> Date: 13 Oct 88 14:54:40 GMT References: <8810121728.AA14821@cory.Berkeley.EDU> <4302@bsu-cs.UUCP> Organization: The Binary Bin Lines: 16