1% Generated by roxygen2: do not edit by hand 2% Please edit documentation in R/files.R 3\name{file_extension} 4\alias{file_extension} 5\title{Extract File Extension} 6\usage{ 7file_extension(x, ext = NULL) 8} 9\arguments{ 10\item{x}{path as a character vector.} 11 12\item{ext}{extension to append instead of the original extension.} 13} 14\description{ 15Extract File Extension 16} 17\examples{ 18 19file_extension('alpha.txt') 20file_extension(paste('aa.tt', 1:5, sep='')) 21# change extension 22file_extension(paste('aa.tt', 1:5, sep=''), 'pdf') 23file_extension(paste('aatt', 1:5, sep=''), 'pdf') 24 25} 26