My usual tool is sloccount (http://www.dwheeler.com/sloccount/ http://www.dwheeler.com/sloccount/), but it doesn't identify R as a language (and discounts it en

My usual tool is sloccount (http://www.dwheeler.com/sloccount/ http://www.dwheeler.com/sloccount/), but it doesn't identify R as a language (and discounts it entirely, it appears).