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OS_GBPB 9 - Read filenames from directory

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The SWI OS_GBPB,9-12 can be used for reading a list of file names from a
directory. The PRM page 2-70 makes no mention of the sequence in which
the files are returned, so it must presumably be assumed that they will
be in an indeterminate sequence.

However, it appears that the sequence is normally filename in all cases I
have been able to investigate, EXCEPT when using HostFS with VRPC, and
the files are actually on a FAT (not NTFS) formatted disc. In this case I
think that the sequence is the order in which the file was added to that
directory.

Incidentally, the command *Info <directory>.* appears to list files in
the same order as given by GBPB.

I write this note for two reasons:

1.  I maintain a program (not written by me) which uses GBPB to read
filenames AND it assumes a filename sequence. Indeed, it can go wrong if
they are not in filename sequence! I am assuming that this is a problem
with the program and not VRPC/HostFS, but before I change it I would be
interested to hear from anyone who cares to comment on, correct, or add
to my observations.

2.  To warn others using OS_GBPB that a filename sequence should NOT be
assumed!

Martin

-- 
Martin Avison 
Note that unfortunately this email address will become invalid
without notice if (when) any spam is received. 

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OS_GBPB 9 - Read filenames from directory Martin <News03@avisoft.f9.co.uk> - 2011-09-25 17:04 +0100
  Re: OS_GBPB 9 - Read filenames from directory Rick Murray <heyrickmail-usenet@yahoo.co.uk> - 2011-09-25 20:18 +0200
  Re: OS_GBPB 9 - Read filenames from directory Terminal Crazy <Terminal_Crazy@sand-hill.freeserve.co.uk> - 2011-09-25 20:14 +0100
    Re: OS_GBPB 9 - Read filenames from directory jeff <jeffrey.a.doggett@gmail.com> - 2011-09-26 00:35 -0700
  Re: OS_GBPB 9 - Read filenames from directory "Ste (news)" <steve@revi11.plus.com> - 2011-09-28 15:25 +0100
    Re: OS_GBPB 9 - Read filenames from directory Vince M Hudd <vinceh@softrock.co.uk> - 2011-09-29 11:34 +0100
      Re: OS_GBPB 9 - Read filenames from directory "Ste (news)" <steve@revi11.plus.com> - 2011-09-29 12:39 +0100
        Re: OS_GBPB 9 - Read filenames from directory jgharston <jgh@arcade.demon.co.uk> - 2011-10-09 16:23 -0700

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