Creates a directory. The argument can be relative to the current directory, or an absolute path. The target directory should be placed in an already existing directory (to create the full path recursively, see makeDirRecursive).
Returns one of the error code constants (OK on success).
Creates a directory. The argument can be relative to the current directory, or an absolute path. The target directory should be placed in an already existing directory (to create the full path recursively, see makeDirRecursive). Returns one of the error code constants (OK on success).