Re: [R] Question about managing searching path

From: Duncan Murdoch <murdoch_at_stats.uwo.ca>
Date: Tue 17 Oct 2006 - 11:01:36 GMT

On 10/17/2006 3:49 AM, Tong Wang wrote:
> Hi all,
> I'm having sometrouble with managing the seach path, in a function , I need to attach some data set at the begining
> and detach them at the end, say, myfunction<- function() { attach(mylist); ............. detach(mylist) } ,
> the problem is, since I am still debugging this code, sometimes it got error and ended before reaching the end, thus
> the data is left in the searching path.
> What 's the right way to make mylist detached no matter what ?

on.exit, as Vito said.

But you may find that doing the calculations in "with" does a better job, i.e.

with(mylist, [do something])

The advantages of with() are:

Duncan Murdoch



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