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

Berton Gunter gunter.berton at gene.com
Fri Jul 29 21:44:51 CEST 2005

Dear Tae-Hoon:

1. RSiteSearch('wait') will tell you that Sys.sleep() is what you want.
Although this list is terrific, R's built-in help/search tools should always
be tried first (they're faster when you hit the right search term).

2. The other part of the puzzle is ?try

-- Bert Gunter
Genentech Non-Clinical Statistics
South San Francisco, CA
"The business of the statistician is to catalyze the scientific learning
process."  - George E. P. Box

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Tae-Hoon Chung
> Sent: Friday, July 29, 2005 12:13 PM
> To: RHelp
> Subject: [R] Way to make R idle for some time and try 
> something again later
> 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?
> Thanks in advance,
> Tae-Hoon Chung
> Post-Doctoral Researcher
> Translational Genomics Research Institute (TGen)
> 445 N. 5th Street (Suite 530)
> Phoenix, AZ 85004
> 1-602-343-8724 (Direct)
> 1-480-323-9820 (Mobile)
> 1-602-343-8840 (Fax)
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