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Re: finding package in ExtraPackages`Enhancements`

• To: mathgroup at smc.vnet.net
• Subject: [mg54096] Re: [mg54065] finding package in ExtraPackages`Enhancements`
• From: "David Annetts" <davidannetts at aapt.net.au>
• Date: Thu, 10 Feb 2005 02:47:01 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

Hi Murray, 

> Various packages suggest they should be installed in 
> subdirectories of ExtraPackages.  For example, Ersek's 
> RootSearch.m, is to be installed in subdirectory Enhancements 
> of ExtraPackages.
> I keep all such 3rd party add-ons in a directory tree 
> separate from the Mathematica install directory tree.  
> Namely, in a directory to which $UserBaseDirectory points.  
> Thus, RootSearch.m is in directory:
> 
>    ToFileName[{$UserBaseDirectory, "ExtraPackages", "Enhancements"}]
> 
> Yet still a command such as
> 
>    <<Enhancements`RootSearch`
> 
> or
> 
>    Needs["Enhancements`RootSearch`"]
> 
> fails to find its target.
> 
> How can I make this work?

As far as I can tell, you have an incorrect path.  

My $UserBaseDirectory is 
In[6]:=
FileNames[$UserBaseDirectory<>"\\*"]

Out[6]=
{C:\Documents and Settings\dwa\Application \
Data\Mathematica\Applications,C:\Documents and Settings\dwa\Application \
Data\Mathematica\Autoload,C:\Documents and Settings\dwa\Application \
Data\Mathematica\FrontEnd,C:\Documents and Settings\dwa\Application \
Data\Mathematica\Kernel,C:\Documents and Settings\dwa\Application \
Data\Mathematica\Licensing,C:\Documents and Settings\dwa\Application \
Data\Mathematica\SystemFiles}

Of these, only $UserBaseDirectory<>"\\Applications" is has any packages.  

You need to put RootSearch in either
$UserBaseDirectory<>"\\AddOns\\Enhancements" or
$UserBaseDirectory<>"\\Applications\\Enhancements".

The introduction to the package says as much.

Regards,

Dave



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• Follow-Ups:
  • Re: Re: finding package in ExtraPackages`Enhancements`
    • From: Murray Eisenberg <murray@math.umass.edu>