[R] Recovering object names when using the ... argument in a fn XXXX

Bert Gunter gunter.berton at gene.com
Fri Oct 18 18:26:42 CEST 2013

I'm not exactly sure what you mean by "names." Does the following meet
your needs?

f <- function(...)names(list(...))

> f(a=2,b=3)
[1] "a" "b"
> f(a=2,3)
[1] "a" ""

If not, a reproducible example of what you want might be helpful.


On Fri, Oct 18, 2013 at 9:05 AM, Dan Abner <dan.abner99 at gmail.com> wrote:
> Hi all,
> I am using the ... argument to parmeterize a user define fn to accept
> multiple input objects. I subsquently save all these data as a list.
> Question: what is the best way to recover or extract the original object
> names that were fed to the fn?
> Thanks,
> Dan
>         [[alternative HTML version deleted]]
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Bert Gunter
Genentech Nonclinical Biostatistics

(650) 467-7374

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