unlink deletes the file(s) or directories specified by
unlink(x, recursive = FALSE, force = FALSE)
- a character vector with the names of the file(s) or directories to be deleted. Wildcards (normally ‘*’ and ‘?’) are allowed.
- logical. Should directories be deleted recursively?
- logical. Should permissions be changed (if possible) to allow the file or directory to be removed?
path.expand) is done on
recursive = FALSE directories are not deleted, not even empty ones.
Wildcard expansion is done by the internal code of
Sys.glob. Wildcards never match a leading ‘.’ in the filename, and files ‘.’ and ‘..’ will never be considered for deletion.
1 for failure, invisibly. Not deleting a non-existent file is not a failure, nor is being unable to delete a directory if
recursive = FALSE. However, missing values in
x are regarded as failures.
Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.
Documentation reproduced from R 3.0.2. License: GPL-2.