[R] source a specific function

[Gabor Grothendieck]

This loads all the functions into an anonymous environment defined
by local and then exports f to the global environment.

f <- local({
	source("/a.R", local = TRUE)
	environment(f) <- .GlobalEnv
	f
})

On 6/18/07, Weiwei Shi <helprhelp at gmail.com> wrote:
> Dear Listers:
>
> For example, if I have a .R source file which has more than one
> function, and I want to just load only one of the functions, how could
> I do that? (removing the rest after sourcing is not what I intend b/c
> in my workspace, I might have some of the rest and I don't want to
> change my workspace: i.e., I only change my workspace by adding one
> function from a R source file).
>
> Thanks,
>
> --
> Weiwei Shi, Ph.D
> Research Scientist
> GeneGO, Inc.
>
> "Did you always know?"
> "No, I did not. But I believed..."
> ---Matrix III
>
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