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RE: RE: Corrupted Files

  • To: mathgroup at
  • Subject: [mg35265] RE: [mg35249] RE: Corrupted Files
  • From: "DrBob" <majort at>
  • Date: Fri, 5 Jul 2002 02:20:27 -0400 (EDT)
  • Reply-to: <drbob at>
  • Sender: owner-wri-mathgroup at

I have no response from WRI so far.

I found a partial recovery solution at the following page:

I was able to retrieve healthy cells, but several text cells were
missing -- replaced with bad output from nearby input cells.  It's very
clear that when I evaluated the file, some outputs went where they
shouldn't have, and it occurred in several input cells at once.

Bobby Treat

-----Original Message-----
From: Philip M. Howe [mailto:pmhowe at] 
To: mathgroup at
Subject: [mg35265] Fwd: [mg35249] RE: Corrupted Files

>Hi Bobby,

I am running v4.1 on a Mac.  I have had the problem you describe 
below, but only when I have been foolish enough to rename a file that 
is open, by clicking on the icon and changing the name (in 
contradistinction to using "save as" "new name"). This seems to me to 
be a result of my operating system, but may give you a hint as to how 
it could occur with your system.


>Date: Wed, 3 Jul 2002 05:16:11 -0400 (EDT)
>From: "DrBob" <majort at>
To: mathgroup at
>Subject: [mg35265] [mg35249] RE: Corrupted Files
>I almost forgot the other symptom.  (Problems make life hectic!)
>Twice today when saving a file (two different files) I got a message
>saying the file had been changed outside Mathematica and did I want to
>overwrite?  In both cases, I saved to a new file instead, and the new
>file was later found to be corrupted -- not the old one.
>-----Original Message-----
>From: Steven M. Christensen [mailto:steve at]
To: mathgroup at
>Subject: [mg35265] [mg35249] 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
>>  Cc: "'David Park'" <djmp at>
>>  Subject: [mg35265] [mg35249] 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:

Philip M. Howe
Program Manager, Stockpile Surety
Los Alamos National Laboratory

(505) 665-5332
(505) 667-9498
Fax: 505-665-5249
email pmhowe at
Mail Stop P945

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