extension {raster} | R Documentation |
Filename extensions
Description
Get or change a filename extension
Usage
extension(filename, value=NULL, maxchar=10)
extension(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 extensions set to value
Examples
fn <- "c:/temp folder/filename.exten sion"
extension(fn)
extension(fn) <- ".txt"
extension(fn)
fn <- extension(fn, '.document')
extension(fn)
extension(fn, maxchar=4)
[Package raster version 3.6-26 Index]