HP3000-L Archives

March 2001, Week 4

HP3000-L@RAVEN.UTC.EDU

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Ted Ashton <[log in to unmask]>
Date:
Mon, 26 Mar 2001 10:28:59 -0500
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Thus it was written in the epistle of Gavin Scott,
> Michael suggests:
> > This is just thinking off the top of my head here, but
> > "what if" (old HP (tm) slogan :)
> >
> > .  A new BLOB datatype is added to image.
> >    .  It is essentially a 1024 byte variable length string.
> >    .  The value represents the HFS pathname.
>
> Since Image doesn't do variable sized entries, I don't think it would be
> easy to support a variable length filename data type.  1K/blob seems like a
> lot of overhead, so I'd suggest instead something like a 64bit identifier
> that would be generated by Image internally and which could be mapped onto a
> filename, plus perhaps a per-dataset "base" HFS path which would say which
> directory (or starting point for a 2-3 level hierarchy for efficiency).

. . . or perhaps one could simply use the UFID, avoiding directory search
completely.

Ted
--
Ted Ashton ([log in to unmask]), Info Sys, Southern Adventist University
          ==========================================================
...from the same principles, I now demonstrate the frame of the System of
the World.
                        -- Newton, Isaac (1642-1727)
          ==========================================================
         Deep thoughts to be found at http://www.southern.edu/~ashted

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