change file extension

Helper function allowing to quckly change the extension of a file name

change_fileext(in_file, new_ext = NULL, new_path = NULL)

Arguments

in_file	character full path of a file
new_ext	character new file extension (e.g., ".png"). If NULL (the default), the basename without extension is return, Deafault: NULL
new_path	character if not NULL the returned file name will use this new path instead than the one of the original file. If equal to "", only the updated basenmae is therefore returned (see examples), Default: NULL

Value

character basename/full_path of `in_file`` with updated extension

Examples

in_file = "home/lb/tmp/prova.tif"
# return an updated full_path
change_fileext(in_file, ".png")
#> [1] "home/lb/tmp/prova.png"

#' update both path and extension
change_fileext(in_file, ".png", new_path = "/home/lb/new_path")
#> [1] "/home/lb/new_path/prova.png"

# return an updated basename
change_fileext(in_file, ".png", new_path = "")
#> [1] "prova.png"