removeDirectory: Removes a directory
Description
Removes a directory, and if requested, also its contents.Usage
## S3 method for class 'default':
removeDirectory(path, recursive=FALSE, mustExist=TRUE, ...)
Arguments
path
A character string specifying the directory to be removed. recursive
If TRUE, subdirectories and files are also removed.
     If FALSE, and directory is non-empty, an exception is thrown. mustExist
If TRUE, and the directory does not exist,
     an exception is thrown. Value
- Returns (invisibly) 
TRUE, the directory was successfully removed,
  otherwise FALSE, unless an exception is thrown. 
See Also
Internally unlink() is used.