[WWdevel] Fwd: Corrupted homework set

[Michael G. <ga...@ma...>]

A suggestion from Imre Tuba about safety backups for sets.  I'm not  
sure exactly what happened but the result was the loss of the paths  
to several files while trying to change the number of answers allowed.

We had something like this in WW1.9 since backups of set definition  
files were automatically saved.
Any thoughts on how to implement this?
In particular I worry that too frequent automatic backups run the  
risk of overwriting a good backup with a succession of errors.

Thoughts?

Take care,

Mike

Begin forwarded message:

> From: Imre Tuba <it...@mo...>
> Date: October 25, 2005 11:31:08 PM EDT (CA)
> To: Michael Gage <ga...@ma...>
> Subject: Re: Corrupted homework set
>
>
> Hi Mike,
>
> Thanks for the quick help. The log file you sent me must be for my  
> other class (Math 2111), but I believe I managed to recover the  
> problems partly from memory, partly based on the answer log.
>
> I understand that adding an undo feature will take quite some work.  
> But here is a suggestion that should be easy to implement. Webwork  
> could just automatically save a backup copy, or several backup  
> copies of a homework set that is changed in the course directory.  
> Then it would be quite easy to recover the last version. If you  
> want to be a little fancier, you can let the user configure whether  
> they want backups to be saved.
> -- 
>     Imre
>

"Only dead fish swim with the stream."