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Re: "unload" a package

• To: mathgroup at smc.vnet.net
• Subject: [mg70910] Re: "unload" a package
• From: Bill Rowe <readnewsciv at sbcglobal.net>
• Date: Wed, 1 Nov 2006 03:55:53 -0500 (EST)

On 10/30/06 at 5:32 AM, murray at math.umass.edu (Murray Eisenberg)
wrote:

>I believe there is a "catch" to using CleanSlate:  You have to
>remember to load it BEFORE loading the package(s) that you now want
>to, in effect, unload.

Yes, for CleanSlate to do its magic, it does need to be loaded 
before the package you will want to unload.

>Unfortunately, one only realizes too late that you need to unload a
>package, so you didn't anticipate that need and didn't already load
>CleanSlate.

Right. That is why I have CleanSlate loaded automatically as 
part of my init.m at the start of every session. This coupled 
coupled with the fine control you mention below allows me to 
effectively unload any package I've loaded without my having to 
specifically plan for that ability in a given notebook.

>The function CleanSlate[] does, though, allow some fine control over
>what gets unloaded:  optionally you can specify the contexts you
>want to unload.  Or, using CleanSlateExcept, you can unload
>everything except what's in the contexts you specify.
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