On Fri, 1 Jun 2007, Henrik Bengtsson wrote:
> I use:
>
> foo <- function(...) {
> args <- list(...);
> names(args);
> }
But that does not do what was asked: it gets the argument names, not the
object names. (Did you actually try it?) It looks from the example that
he wants the argument name if there is one otherwise the
deparsed argument value, but clarification would be helpful.
>
> /Henrik
>
> On 6/1/07, Mike Meredith <[EMAIL PROTECTED]> wrote:
>>
>> Is there a tidy way to get the names of objects passed to a function via the
>> "..." argument?
>>
>> rbind/cbind does what I want:
>>
>> test.func1 <- function(...) {
>> nms <- rownames(rbind(..., deparse.level=1))
>> print(nms)
>> }
>>
>> x <- "some stuff"
>> second <- "more stuff"
>> test.func1(first=x, second)
>> [1] "first" "second"
>>
>> The usual 'deparse(substitute())' doesn't do it:
>>
>> test.func2 <- function(...) {
>> nms <- deparse(substitute(...))
>> print(nms)
>> }
>> test.func2(first=x, second)
>> [1] "x"
>>
>> I'm using "nms <- rownames(rbind(...))" as a workaround, which works, but
>> there must be a neater way!
>>
>> rbind/cbind are .Internal, so I can't pinch code from there.
>>
>> Thanks, Mike.
>>
>> --
>> View this message in context:
>> http://www.nabble.com/Getting-names-of-objects-passed-with-%22...%22-tf3850318.html#a10906614
>> Sent from the R help mailing list archive at Nabble.com.
>>
>> ______________________________________________
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>>
>
> ______________________________________________
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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.
>
--
Brian D. Ripley, [EMAIL PROTECTED]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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