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MathGroup Archive 2004

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Re: Kernel init.m File

  • To: mathgroup at smc.vnet.net
  • Subject: [mg48179] Re: [mg47975] Kernel init.m File
  • From: Omega Consulting <info at omegaconsultinggroup.com>
  • Date: Mon, 17 May 2004 03:21:47 -0400 (EDT)
  • References: <200405040508.BAA17809@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

I don't think it's a good idea to use this file. Instead, evaluate

$UserAddOnsDirectory

Inside that directory is an Autoload directory.
Inside that create a directory with any name you like.
Inside that create a Kernel directory.
Inside that create an init.m file with the commands you want.

It will be automatically loaded by the kernel at startup.

On May 4, 2004, at 12:08 AM, Harold Noffke wrote:

> $Version "5.0 for Microsoft Windows [2000] (November 18, 2003)"
>
> MathGroup:
>
> In the ...\5.0\Configuration\Kernel\init.m file, I find the following
> template ...
>
>
>     (** User Mathematica initialization file **)
>
>
>
>     (** Decide how to display graphics on this machine **)
>
>     Begin["System`Private`"]
>     (* Hide any symbols which are created *)
>
>     Which[
>         $Linked || $ParentLink =!= Null,        <<"PSDirect.m",
>         Environment["DISPLAY"] =!= $Failed,     <<"Motif.m",
>         True,                                   <<"Terminal.m"
>          ]
>
>     End[]
>
>
> It seems to be Wolfram's intent that all user init.m statements
> (functions, blocks, modules, packages, etc.) occure BEFORE the
> Begin["System`Private`"] statement.  However, I'm confused over
> whether user init.m statements should be confined to
> ...\Kernel\init.m, whether any damage would be caused by placing them
> after the System`Private statements, or whether the user is permitted
> to create his own init.m file in the $InstallationDirectory (the
> ...\5.0\ directory).
>
> I've read posts from other users who say they have safely used an
> init.m in their 5.0 directory, but it is not clear from $Path that
> 5.0\init.m will be loaded at startup, because $InstallationDirectory
> does not appear there.
>
> If 5.0\ were added to $Path, it would load AFTER Kernel\init.m.  Would
> this put 5.0\init.m into the scope of Kernel\init.m's System`Private
> statement, and produce umpredicted results?
>
> Please help me clarify where the user's init.m statements can be
> placed without causing damage or unpredicted results.
>
> Regards,
> Harold
>
>

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