Path: utzoo!attcan!uunet!tank!mimsy!mojo!russotto
From: russotto@eng.umd.edu (Matthew T. Russotto)
Newsgroups: comp.sys.mac.programmer
Subject: Re: The Prefered Way to Refer to Files...
Keywords: File Manager
Message-ID: <1990Mar14.182528.918@eng.umd.edu>
Date: 14 Mar 90 18:25:28 GMT
References: <38534@cornell.UUCP> <16681@well.sf.ca.us>
Sender: news@eng.umd.edu (The News System)
Distribution: comp
Organization: Maryversity of Uniland, College Park
Lines: 21

In article <16681@well.sf.ca.us> brecher@well.sf.ca.us (Steve Brecher) writes:
>
>In article <38534@cornell.UUCP>, wayner@svax.cs.cornell.edu (Peter Wayner)
>writes:
>
>> What about System 7.0? The tech note mentions that file id numbers will
>> be the best when System 7.0 comes around because they will be stable
>> even after renaming.
>
>Right, but it ain't here yet; also, you will probably want your
>application to run under earlier systems.  In a couple of years or so it
>will be feasible to require System 7 or later, just as circa 1988 it
>became feasible to require the Mac Plus feature set (introduced in early
>1986).
File IDs (though apparently not the same as Sys 7 file IDs) are actually stable
now-- they are one way of finding a file after it has been moved/renamed.
The problem currently is that you need to search the entire catalog structure
to find it, and a backup/initialize/restore still changes it.
--
Matthew T. Russotto	russotto@eng.umd.edu	russotto@wam.umd.edu
][, ][+, ///, ///+, //e, //c, IIGS, //c+ --- Any questions?