[R] Schedule R function/Code to run at specific time

[peter dalgaard]

> On 26 Feb 2015, at 20:20 , Duncan Murdoch <murdoch.duncan at gmail.com> wrote:
> 
> On 26/02/2015 2:08 PM, Doran, Harold wrote:
>> Is there functionality within R proper, without having to revert to the OS, allowing a function or a portion of an R script to be run at a defined time? My google searches haven't provided much other than one at the link below which relies on an OS.
> 
> If you want it to start 1000 seconds from now, use Sys.sleep(1000) as your first statement.  You'll have a process sitting there using no CPU (but perhaps lots of virtual memory) until the sleeping is done.  Using cron is better.
> 

There are also some asynchronous possibilities using tcltk:

tcl("after", 10000, quote(print("boo")))

Peter D.

> Duncan Murdoch
> 
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-- 
Peter Dalgaard, Professor,
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