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MathGroup Archive 2010

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Re-virginating Manipulates?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg114431] Re-virginating Manipulates?
  • From: Bill Rowe <readnews at sbcglobal.net>
  • Date: Sat, 4 Dec 2010 06:13:37 -0500 (EST)

On 12/3/10 at 5:19 AM, siegman at stanford.edu (AES) wrote:

>It's always surprised me, frankly, that Mathematica doesn't have a
>built-in "Clean Slate" facility for its kernel that would be
>equivalent to executing a "Quit Kernel, then Restart Kernel" command
>(although there was a third party (?) command or utility with this
>name in some earlier version, was there not?).  Must be somehow hard
>to do this?

The CleanSlate package is a standard package that has been
shipping some time with Mathematica and is still present in
version 8.

Do

FileNames[
  ToFileName[{$InstallationDirectory, "AddOns", "ExtraPackages",
    "Utilities"}, "*"]]

and you will see the package is there.

I believe you will find the directory returned by

ToFileName[{$InstallationDirectory, "AddOns"},"ExtraPackages"]

is by default one of the directories included in the list of
directories returned by $Path. So, you should be able to load
the package by doing either Needs["Utilities`CleanSlate`"] or <<Utilities`CleanSlate`

For myself, I find this package so useful I have it load in all
my sessions which I've accomplished by adding

<<PacletManager`;
<<Utilities`CleanSlate`;
SetOptions[CleanSlate,Verbose->False];

at the end of my init.m file. Notice, I intentionally load the
PacletManager prior to loading the CleanSlate package. In a
previous version, I found if I did not do this, the
PacletManager loaded after CleanSlate loaded. As a consequence,
doing CleanSlate[] would remove the PacletManager, something I
didn't want to happen. I have not tried doing differently with
version 8 to see if this is still needed.



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