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Re: finding package in ExtraPackages`Enhancements`

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

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 

{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 \

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

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

The introduction to the package says as much.



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