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Re: Re: Re: finding package in ExtraPackages`Enhancements`
*To*: mathgroup at smc.vnet.net
*Subject*: [mg54176] Re: [mg54127] Re: [mg54096] Re: [mg54065] finding package in ExtraPackages`Enhancements`
*From*: DrBob <drbob at bigfoot.com>
*Date*: Sat, 12 Feb 2005 01:58:12 -0500 (EST)
*References*: <200502100747.CAA16644@smc.vnet.net> <200502110833.DAA09193@smc.vnet.net>
*Reply-to*: drbob at bigfoot.com
*Sender*: owner-wri-mathgroup at wolfram.com
EVERYTHING in $UserBaseDirectory\Applications is an add-on, so it seems redundant to have one directory called AddOns, let alone two. "ExtraPackages" and "Enhancements" likewise appear unnecessary, uninformative, and redundant. Is there a user package that ISN'T an added-on, extra, enhancement? I don't think so.
Therefore, I suggest putting the package file directly in $UserBaseDirectory\Applications, edit it to remove mention of "Enhancements" from the BeginPackage statement, and load it with <<RootSearch` or Needs["RootSearch`"].
Otherwise, put it in $UserBaseDirectory\Applications\Enhancements (AS IS), and load it with <<Enhancements`RootSearch` or Needs["Enhancements`RootSearch`"].
Bobby
On Fri, 11 Feb 2005 03:33:42 -0500 (EST), Murray Eisenberg <murray at math.umass.edu> wrote:
> I'm still at a loss here... What the installation directions for Ersek's
> RootSearch.m actually say is to create, if it's not already present, an
> Enhancements subdirectory of
>
> ToFileName[{$TopDirectory, "AddOns", "ExtraPackages"}]
>
> and to put RootSearch.m there.
>
> But I want to separate all such add-ons from the Mathematica
> $TopDirectory tree, so they can readily be preserved during updates from
> one version of Mathematica to another.
>
> So I created a new tree under my $UserBaseDirectory, with top levels:
>
> FileNames[$UserBaseDirectory <> "\\*"]
> {D:\Math\AddOns\AddOns, D:\Math\AddOns\Applications,
> D:\Math\AddOns\Autoload, \
> D:\Math\AddOns\Documentation, D:\Math\AddOns\FrontEnd,
> D:\Math\AddOns\Kernel, \
> D:\Math\AddOns\Licensing, D:\Math\AddOns\SystemFiles, D:\Math\AddOns\User}
>
> But Mathematica does not seem to search within D:\Math\AddOns\AddOns, so
> it never finds
>
> D:\Math\AddOns\AddOns\ExtraPackages\Enhancements
>
> in which I placed RootSearch.m.
>
> Previously, I had tried, instead, to put that ExtraPackages tree at the
> top level of $UserBaseDirectory, so that:
>
> FileNames[$UserBaseDirectory <> "\\*"]
> {D:\Math\AddOns\Applications, D:\Math\AddOns\Autoload, \
> D:\Math\AddOns\Documentation, D:\Math\AddOns\ExtraPackages, \
> D:\Math\AddOns\FrontEnd, D:\Math\AddOns\Kernel, D:\Math\AddOns\Licensing, \
> D:\Math\AddOns\SystemFiles, D:\Math\AddOns\User}
>
> Notice that the ExtraPackages directory was in that search path, but
> still Mathematica does not find RootSearch in response to command:
>
> << Enhancements`RootSearch`
>
> The trouble seems to be a lack of parallel in the way Mathematica treats
>
> ToFileName[{$TopDirectory, "AddOns", "ExtraPackages"}]
>
> and
>
> ToFileName[{$UserBaseDirectory, "AddOns", "ExtraPackages"}]
>
> in that the former IS on the search path but the latter is not.
>
>
>
> David Annetts wrote:
>> 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
>>
>>
>>
>
--
DrBob at bigfoot.com
www.eclecticdreams.net
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