[R] Way to make R idle for some time and try something again later

Duncan Murdoch murdoch at stats.uwo.ca
Fri Jul 29 21:33:20 CEST 2005

On 7/29/2005 3:13 PM, Tae-Hoon Chung wrote:
> Hi, All;
> I have a question. In R, what is the best way to make R idle for a while and
> try something again later? For example, suppose there is an R job which
> accesses a file that may be shared with other active jobs. So when the file
> is being accessed by other job, your job will not be able to access the file
> and your job will crash because of that. To avoid this, you want your job to
> try to access the file repeatedly with some time interval, say every 10
> seconds or something like that. Which is the best way to do this in R?

Sys.sleep(10) should give you a 10 second pause with very little impact 
on the system.

Duncan Murdoch

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