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Re: How does a notebook get its own filename or directory?

• To: mathgroup at smc.vnet.net
• Subject: [mg50115] Re: How does a notebook get its own filename or directory?
• From: Joseph Gwinn <JoeGwinn at comcast.net>
• Date: Sun, 15 Aug 2004 03:15:08 -0400 (EDT)
• References: <cfkal5$fac$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

In article <cfkal5$fac$1 at smc.vnet.net>,
 Bill Rowe <readnewsciv at earthlink.net> wrote:

> On 8/13/04 at 5:56 AM, JoeGwinn at comcast.net (Joseph Gwinn) wrote:
> 
> >I like to put multiple datafiles in a subdirectory of the same
> >directory as the analysis notebook resides.  It would be convenient
> >if this Mathematica notebook could find these datafiles without
> >help, but unfortunately I have not figured out how to do this. 
> >Currently, I just manually put the full pathname in the notebook's
> >code, which works but is a problem if I move the directory.
> 
> >What would solve the problem is if there were a way for a notebook
> >to obtain the full pathname of the file containing that notebook. 
> >However, all the directory-related and path-related commands in
> >Mathematica 5.0 seem to be concerned only with the location of the
> >Mathematica kernel and its libraries, and not at all concerned with
> >the location of the notebook.  Now, the kernel has to know where
> >the notebook lives, so the problem is to persuade the kernel to
> >speak.
> 
> I've put the following in my init.m file to address this issue
> 
> NotebookDirectory[]:=
>     DirectoryName@ToFileName["FileName"/.NotebookInformation@EvaluationNoteboo
>     k[]]
> 
> Once the notebook has been saved, NotebookDirectory[] returns the path to 
> where it is currently.

That's a nice trick.  Thanks,

Joe Gwinn