[R] list.files(getwd()) and list.files(getwd(), full.names=TRUE) appear to return directory names

[Jason Rupert]

Is there any way to make list.files(getwd()) or list.files(getwd(),full.names=TRUE) stop returning directories? 

Right now both appear to return both file names and folders within the location.  

I would like for it only to return file names and not folders. 

I am using this on Windows with R version 2.9.0 (2009-04-17). 

Thank you again for all your help and any feedback.  

Jason