...elt	dotsElt
...length	dotsLength
.valid.factor	valid.factor
anyNA	anyNA
dir.exists	dir.exists
endsWith	endsWith
file.info	file.info
file.mode	file.size
file.mtime	file.size
file.size	file.size
get0	get0
hasName	hasName
import	import
isFALSE	isFALSE
lengths	lengths
startsWith	startsWith
strrep	strrep
trimws	trimws
