raster (version 1.8-3)

extension: Filename extensions

Description

Get or change a filename extension

Usage

ext(filename, value=NULL, maxchar=10)
ext(filename) <- value

Arguments

filename

A filename, with or without the path

value

A file extension with or without a dot, e.g., ".txt" or "txt"

maxchar

Maximum number of characters after the last dot in the filename, for that string to be considered a filename extension

Value

• A file extension, filename or path. If ext(filename) is used without a value argument, it returns the file extension; otherwise it returns the filename (with new extions set to value

Examples

fn <- "c:/temp folder/filename.exten sion"
ext(fn)
ext(fn) <- ".txt"
ext(fn)
fn <- ext(fn, '.document')
ext(fn)
ext(fn, maxchar=4)