[R] How do I temporarily stop an execution?

Prof Brian Ripley ripley at stats.ox.ac.uk
Tue Jun 19 10:32:45 CEST 2001

On Tue, 19 Jun 2001 tomsv193 at student.liu.se wrote:

> Hi!
> A very basic question, but me and the manual are not friends yet...
> How do I temporarily stop an execution - that is: stop it until I press
> a certain key ?

(I would cause that `suspend' or `pause' execution.)

That's functionality of your OS/shell, not of R.  Since you haven't told
us your OS ...

On Unix/Linux ^Z will probably work (restart with fg).

On Windows there is no way: it is hard enough to stop rather than pause.

On a classic Mac I think you can't even stop permanently in 1.2.3,
but will be able to in 1.3.0.

One day when (if) R has execution threads it may be able to suspend
them individually.

Brian D. Ripley,                  ripley at 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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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