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RE: Corrupted Files

  • To: mathgroup at
  • Subject: [mg35248] RE: Corrupted Files
  • From: "DrBob" <majort at>
  • Date: Wed, 3 Jul 2002 05:16:08 -0400 (EDT)
  • Reply-to: <drbob at>
  • Sender: owner-wri-mathgroup at

As I'm editing the file, I get a Beep and a message saying, "There
appears to be an error in the file named below.  You should close it
without saving, then use the Open Special command to open it using the
Ignore File Outline Cache option.  File name: ..."

When I follow those instructions, I get an error message (at Open
Special) saying "There was a syntax error in the file being read.  This
indicates that the file has become corrupted, or was generated
incorrectly.  If you click OK, the file will be opened as a plain text
file, with the position of the syntax error selected.  If you are able
to fix the error, save the file and open it again."

The file format isn't documented (so far as I know), so there's
basically no hope of fixing the error.  I've seen the file format enough
times to have a clue or two, but that's it.  Anyway, I've never
successfully rescued a file from this.

I used to have this problem once a week or so in version 4.0, but never
in 4.1 except once when opening a file from 4.0 days that may have been
corrupted then.  I've had this problem twice, maybe three times already
today, in about three hours total work with the new version.

I'm running Windows XP Home.  The old problems with 4.0 were under
Windows 2000, but I've used 4.1 under both operating systems without

Bobby Treat

-----Original Message-----
From: Steven M. Christensen [mailto:steve at] 
To: mathgroup at
Subject: [mg35248] Re: Corrupted Files

This is very vague - corrupt how?  On what sort of system running
what OS?  How does it appear?

Steve Christensen

> From majort at Wed Jul  3 00:00:46 2002
> From: "DrBob" <majort at>
To: mathgroup at
> Subject: [mg35248] Corrupted Files
> Date: Tue, 2 Jul 2002 22:54:57 -0500
> Danger, Will Robinson, danger, danger!
> Don't start depending on version 4.2 yet -- it corrupts files.
> 4.0 was bad about that, but not THIS bad.
> Version 4.1 was almost entirely innocent of that particular problem.
> I'll be uninstalling this thing immediately.
> Bobby
> Dr. Bobby Treat
> Survey Sampling:
> OR Models:
> Austin INFORMS:

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