Thank you for the response. I had not noticed the "Revisions" tab on the worksheet (feeling embarrassed). Jim
On Apr 4, 2013, at 9:03 AM, kcrisman wrote: > > > On Thursday, April 4, 2013 11:30:55 AM UTC-4, Jim wrote: > Deep among the .sage/sage_notebook.sagenb subdirectories is a worksheet > subdirectory > that contains a subdirectory called "snapshots" that contains numerous *.bz2 > files. > > I assume these are snapshots of the worksheet. > What causes their creation? > Do they contain a revision history? > > > At one time, long ago, they did do all these things. Now they are probably > all the same - every time you "save" you get one, I believe. You can see > the revisions by clicking on the "Revisions" tab on the upper right. > > They used to be automatic saves, but that turned out to really really slow > down notebook servers, so we removed that. For some reason, at the same time, > <rant object="sagenb devels"> > PEOPLE ALSO MADE IT SO ALL REVISIONS OVERWRITE THE PREVIOUS ONES > </rant> > and I, at least, have no idea how to fix that - and I tried on some of the > previous codebase. With the switch to the "flask" codebase a while ago it > has perhaps become easier or harder to fix. > > If so, how do I examine a previous revision of the worksheet? > If there is not a way to look at the revision history, then why are they > maintained? > Can I safely delete them? > > Most likely, you can delete all but perhaps the last one. I would just do > some spot checks but that's been my experience over the last quite-a-few > years. > > See also > > http://code.google.com/p/sagenb/issues/detail?id=58 > http://code.google.com/p/sagenb/issues/detail?id=59 > both from an now-unmaintained codebase <rant>whose issues, however, did NOT > migrate to Github (!)</rant> > http://trac.sagemath.org/sage_trac/ticket/8776 > probably bit rotted > > -- > You received this message because you are subscribed to the Google Groups > "sage-support" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/sage-support?hl=en. > For more options, visit https://groups.google.com/groups/opt_out. > > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sage-support?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
