[R] how to check if ... is empty

[Sundar Dorai-Raj]

Try

dots <- list(...)
if (length(dots) == 0) {
  ## do something
}

On Thu, Jul 16, 2009 at 6:46 AM, Thomas Roth (geb.
Kaliwe)<hamstersquats at web.de> wrote:
> Hi,
>
> I was wondering what would be the best way to check if the three dots
> argument contains any arguments (i.e. does ... contain any arguments or not?
> )
>
> #Example
>
> test = function(x,y, ...)
> {
>   #Wanted R-Code
>   # if(empty(...))
>   #    do some calculation
>
>
>   plot(x,y,...)
>
> }
>
> Thanks
>
> Thomas Roth
>
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