Re: [R] How do I temporarily stop an execution?

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From: Prof Brian Ripley (ripley@stats.ox.ac.uk)
Date: Tue 19 Jun 2001 - 18:32:45 EST 

Message-ID: <Pine.LNX.4.31.0106190926280.3136-100000@gannet.stats>

On Tue, 19 Jun 2001 tomsv193@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@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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