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MathGroup Archive 1996

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Re: Mathematica does not know where are my files. Help!!!

  • Subject: [mg2970] Re: [mg2923] Mathematica does not know where are my files. Help!!!
  • From: penny at edu-suu-scf.sc.suu.edu (Des Penny)
  • Date: 17 Jan 1996 05:19:44 -0600
  • Approved: usenet@wri.com
  • Distribution: local
  • Newsgroups: wri.mathgroup
  • Organization: Wolfram Research, Inc.
  • Sender: mj at wri.com

>Hi guys:
>
>I have been toiling at this one for while. Now I am turning to the gurus
>out there.
>
>I had a couple of macros for a Quality Control module that I was coding in
>Mathematica.  It worked fine and I save them in a seperate file called
>"myqctools". But I wanted to call this file in another notebook, PROOOT,
>Mathematica would try to execute the << myqctools command
>and display "Could not open myqctools".  I moved the macro file on the
>same folder as the Mathematica application, but no juice.
>I tried another way using the SetDirectory command, but no juice.  I also
>tried coding the thing as a package, but I am afraid that I did some
>wrong, Mathematica could not still find it.  This is on a PowerMac 8500.
>
>My questions:
>     -where should I have external files for Mathematica to see them?
>     _how to create a package, and where to store a newly created one for
>Mathematica to see it.
>
>Thanks to anyone who'd help....
>
>Falou.....


Hi:
Since I use a Mac also, my answers should work for you.

I believe the answer to your problem will be to append the folder
containing your file to the $Path variable:

$Path=Append[$Path, "HardDriveName:Folder:SubFolder"]

The << command should work ok now.  (I prefer to use the "Needs" command
whenever possible.)

>My questions:
>     -where should I have external files for Mathematica to see them?
>     _how to create a package, and where to store a newly created one for
>Mathematica to see it.


I have all my packages in a folder whose path is:

"D. Penny:Mathematica:My Packages"

Note that "D. Penny" is the name of my hard drive.  The folder "My
Packages"is a subfolder of the "Mathematica" folder.  My init.m notebook
contains the command:

$Path=Join[$Path,{"D. Penny:Mathematica:My Packages"}]

This allows any package in the folder "My Packages" to be seen by Mma.

I suggest that you modify your "init.m" notebook as described above.  This
notebook is contained in the "Packages" subfolder of the "Mathematica"
folder.

Hope this helps.

Cheers,

Des Penny


==========================
Des Penny
Physical Science Dept.
Southern Utah University
Cedar City, UT 84720

VOICE: (Office): (801) 586-7708
       (Home)  : (801) 586-2286
FAX:    (801) 865-8051
e-mail: penny at suu.edu
==========================




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