On Nov 29, 5:41 am, "William Stein" <[EMAIL PROTECTED]> wrote:
> On Nov 28, 2007 8:30 PM, jonhanke <[EMAIL PROTECTED]> wrote:
>
>
>
>
>
> > On Nov 29, 4:59 am, "William Stein" <[EMAIL PROTECTED]> wrote:
> > > On Nov 28, 2007 5:47 PM, jonhanke <[EMAIL PROTECTED]> wrote:
>
> > > > I am moving between versions of SAGE (2.8.12 -> 2.8.14), and would
> > > > like to move my old worksheets to the new installation. In principle
> > > > I could move my old worksheets to the new version by exporting them to
> > > > files, and then loading them in, however I can't get the old SAGE to
> > > > build/run to do this. I was wondering if I can just copy the
> > > > unprocessed worksheet files directly to their new home, and where they
> > > > are located? Also, if I could get the server running, is there a way
> > > > to migrate all worksheets at once? Thanks,
>
> > > Luckily, the format of the sage notebook hasn't changed at all in 6
> > > months -- You should
> > > just be able to use all your Sage notebooks from any version of sage from
> > > the last 6 months with any other one automatically.
>
> > > If you want to make a copy or move a sage_notebook directory, just copy
> > > or move it.
>
> > Great, but now where are they?
>
> Worksheets are stored in a the directory sage_notebook (or whatever you
> called it). The state of the whole notebook and associated data files
> is stored in that directory.
>
> > I looked around (in the file system
> > and in the documentation), but couldn't find where the worksheet data
> > is stored. For instance, none of the following seem very promising:
>
> E.g., if you do
>
> cd my_favoriate_directory
>
> then
>
> sage -notebook
>
> a directory
>
> my_favoriate_directory/sage_notebook
>
> is created and inside of that the notebook state is stored. I have
> probably a dozen different sage_notebook directories just on my laptop.
> E.g., if I'm working on a paper I often make a sage_notebook directory
> in the same directory as the paper, and gather all relevant worksheets
> there.
>
>
>
> > [EMAIL PROTECTED]/Documents/sage-2.8]: find . -name sage_notebook
> > ./devel/doc-2.8/overviews/a_tour_of_sage/sage_notebook
> > ./devel/doc-main/.hg/data/overviews/a_tour_of_sage/sage_notebook
> > ./devel/doc-main/overviews/a_tour_of_sage/sage_notebook
>
> > > Apologies if I misunderstand your questions -- if so, please clarify.
>
> > I was also wondering if there was a way to allow for migrating
> > worksheets in there were changes to the notebook format between
> > versions.
>
> You can take a sage_notebook directory from any version of the
> notebook that I have ever released and type
>
> sage -notebook
>
> and it should work with no loss of data. There was exactly one format
> change in the history of the notebook in I think June, and if your notebook
> is older than this, it will be migrated and the old worksheets will appear
> under "published".
>
> > I assumed that the "save worksheet to file" option would
> > automatically account for such format changes when importing a saved
> > worksheet from an older version of Sage, so this would be the correct
> > (i.e. safe) way of migrating worksheets. If this is true, then it
> > would be nice to have a "save all worksheets to a file" option, and if
> > not then I'm asking if there is a safe way of migrating worksheets
> > between Sage versions.
>
> You just don't have to worry about any of that -- Sage should (and does)
> read old worksheets. By the way, worksheets themselves are just
> stored as plain text files. E.g., if I do
>
> cd /Users/was/sage_notebook/worksheets/admin/0
>
> on my laptop, there is a file worksheet.txt with these contents:
>
> justin
> system:sage
>
> {{{id=0|
> def CompSum(a,b):
> return a+b
>
> }}}
>
> {{{id=1|
> CompSum(3,4)
> ///
> 7
>
> }}}
>
> {{{id=3|
> 2+2
> ///
> 4
>
> }}}
>
> {{{id=4|
> Q.<i,j,k>=QuaternionAlgebra(QQ,-3,4)
> ...
>
> }}}
>
> So you needn't be afraid of worksheets being stored in some
> weird internal database or binary file -- they're just in
> the directory sage_notebook/worksheets/username/number/worksheet.txt
>
> One nice benefit of this is if you want to find all worksheets on your
> computer
> in any directory that contain "this worksheet proves the Riemann Hypothesis",
> say, then you can just do a full text search and you'll find them.
>
> William
Great! That's exactly what I wanted to know. =)
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