[R] Stopping a function execution automatically after a given time

Philippe Grosjean phgrosjean at sciviews.org
Wed Apr 2 18:27:44 CEST 2008


You should look at AutoIt or Autohotkey for this.
Best,

Philippe Grosjean


Duncan Murdoch wrote:
> On 4/2/2008 12:00 PM, Lukas Rode wrote:
>> Dear Bert and Mel,
>>
>> thanks for your help, but I'm afraid this doesn't solve my problem.
>>
>> As I wrote in my previous mail (cf quote below) in most cases I will not be
>> able to modify the code of the function that I want to run. This is why I
>> was asking for a wrapper solution similar to what tryCatch does. I have
>> hinted at a very inelegant version that generates a new R process for each
>> function run and kills the process after a given time. But I'm sure there
>> must be something more elegant. I hope I have been clear enough in my
>> problem description.
> 
> On some systems (not Windows) you could ask some external process to 
> send a signal after a certain time interval, and I believe you can write 
> you code to recover afterwards.  I don't know any reasonable way to do 
> this on Windows.
> 
> Duncan Murdoch
> 
>> Thanks again,
>>   Lukas
>>
>> Here is what I wrote before:
>> Note that mostly these functions are not written by me and not R code (like
>> nlme for example), so it is not feasible to adapt the function itself.
>> Rather, it needs to be a wrapper around the function, similar to tryCatch.
>>
>>
>>
>> On Wed, Apr 2, 2008 at 5:23 PM, mel <mel at altk.com> wrote:
>>
>>> Lukas Rode a écrit :
>>>
>>>> Nowever, with regard to #2, I am lost. I would like to set a maximum
>>> time
>>>> limit (say, 1 minute) and if my procedure is still running then, I would
>>>> like to move on to the next model.
>>>
>>> begin_time = as.difftime(format(Sys.time(), '%H:%M:%S'), units='secs');
>>> for(...)
>>>  {
>>>  ...
>>>  current_time = as.difftime(format(Sys.time(), '%H:%M:%S'), units='secs');
>>>  delay = current_time - begin_time;
>>>  if (delay>60) return();
>>>  }
>>>
>>> a counter may also be enough
>>>
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>>>
>> 	[[alternative HTML version deleted]]
>>
>>
>>
>> ------------------------------------------------------------------------
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
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>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
> 
> ______________________________________________
> R-help at 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.
>



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