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Re: namespaces

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  • Subject: [mg121545] Re: namespaces
  • From: Leonid Shifrin <lshifr at>
  • Date: Mon, 19 Sep 2011 07:05:27 -0400 (EDT)
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The simplest is probably to wrap the call to Needs in Block, like this:

Block[{$ContextPath = $ContextPath}, Needs["Combinatorica`"]]

The net effect is that the value of $ContextPath is not modified globally while
Combinatorica` loads all right. You can then use the full names for its
as you suggested.


On Sun, Sep 18, 2011 at 12:13 PM, Alan <alan.isaac at> wrote:

> Newbie question (by example):
> How can I access KSubsets (which I believe is only in Combinatorica)
> without hiding the kernel's graph functions?  (I.e., I would like to be able
> access the Combinatorica functions *only* when I specify e.g.
> Combinatorica`KSubsets, so that  if e.g. I just use the short name Graph
> this refers to System`Graph.
> So I don't want to say e.g.
> Needs["Combinatorica`"]
> because then I cannot just use Graph to refer to System`Graph.
> Ideally, I'd like an equivalent to a name import from a Python package
> (e.g., ``from mypackage import myfunction``).
> Short of that, I thought about reordering the $ContextPath, but I'm not
> sure this is a good idea (or how to do it correctly).
> Hope that's clear enough.
> Thanks,
> Alan Isaac

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