Try this:

for(i in 1:10) {
    print(sprintf("Interation: %d", i))
    flush.console()
    Sys.sleep(1)
}

On Tue, Jun 22, 2010 at 10:07 AM, Downey, Patrick <PDowney@urban.org> wrote:

> Hello,
>
> I'm running a very long for loop that usually takes hours. For my own piece
> of mind, it would be nice if I could check periodically and see which
> iteration the loop is on. A line of code that told R to print the iteration
> number every 100 or 200 iterations would be perfect.
>
> Does anyone know something like this? I've never known how to print
> anything within a for loop before the loop ends.
>
> Thanks,
> Mitch
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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