Re: [Rd] wishlist --- menu entry [Rgui] misc --- stop current computation

From: Kjetil Halvorsen <kjetilbrinchmannhalvorsen_at_gmail.com>
Date: Tue 19 Sep 2006 - 18:46:27 GMT

Thanks. I am quite sure I don't want pending on exit actions to be done! I will try to remember about the esc trick.

Kjetil halvorsen

On 9/19/06, Prof Brian Ripley <ripley@stats.ox.ac.uk> wrote:
>
> On Tue, 19 Sep 2006, Kjetil Halvorsen wrote:
>
> > This is from R-2.4.0alpha on windows XP, downloaded from CRAN yesterday.
> >
> > I did
> > update.packages(destdir= ..., ask=FALSE,checkBuilt=TRUE)
> >
> > which took quite a long time (as.expected). When the internet cafe
> > had to clos to remember aboute, I had to stop the downloading, but the
> menu item
> > misc --- stop current computation only stopped the current download,
> > and then R imeadiaetely continued whit the next in the waitin list, so I
> had
> > to kill
> > R. I would be nice if this could be corrected so it really
> > stopped all the waiting computastion!
>
> As it does what it says, it cannot be 'corrected' to do something else.
> I usually find hitting Ctrl-C (or ESC in Rgui) a few times breaks out
> here.
>
> The issue is that update.packages (or more precisely download.packages)
> has a loop of try() constructs, and those are trapping interrupts.
> I don't think there is any way to distinguish those from other internal
> errors. In any case, it is a somewhat delicate question as to what you
> want: do you want pending on.exit() actions done, for example?
>
> --
> Brian D. Ripley, ripley@stats.ox.ac.uk
> Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
> University of Oxford, Tel: +44 1865 272861 (self)
> 1 South Parks Road, +44 1865 272866 (PA)
> Oxford OX1 3TG, UK Fax: +44 1865 272595
>

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