[R] R command execution at specific time from within R

[Dirk Eddelbuettel]

Costas Vorlow <costas.vorlow <at> gmail.com> writes:
> I am trying to write a code that executes an R command at specific time
> intervals.
> 
> É want R to do that instead of the operating system.
> 
> Any help/pointer extremely welcome.

Don't do it.   Just rely on cron [if you're lucky enough to be on Linux 
or OS X]; else rely on Windows Scheduler.  

Write a simple script using RScript, schedule.  Thousands of people do the 
sample.  

Dirk