Create Working Directory (WD) Recursively with Optional Suffix
create_wd.RdCreate a nested directory from root/sub/subsub. If the directory already exists and `alternative = TRUE`, a new directory will be created with an appended numeric suffix.
Arguments
- root
A character. Root directory (absolute path).
- sub
A character. Sub-directory name (not a path).
- subsub
A character. Sub-sub-directory name.
- alternative
A logical (default: FALSE). If TRUE, appends numeric suffix to avoid overwrite.
- set
A logical (default: TRUE). If TRUE, sets the created directory as working directory.