
Hi,

I have a function that I'm writing. The arguments in the function are as follows

RFF<-function(qtype, qOpt,...){}
i.e., I have two args that are compulsary and the rest are optional. Now when my user passes the function call, I need to see what optional args are defined and process accordingly...what I have so far is..

RFF<-function(qtype, qOpt,...){
	mc <- match.call(expand.dots=TRUE)
 }

I need to see what all args have been sent out of
vec<-c("flag","sep","dec") and define if-else conditions based on whether they have been defined. How do I do this?  
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