Section: Operating System Functions
mkdir('dirname')
which creates the directory dirname if it does not exist. The argument
dirname can be either a relative path or an absolute path. For compatibility
with MATLAB, the following syntax is also allowed
mkdir('parentdir','dirname')
which attempts to create a directory dirname in the directory given by parentdir.
However, this simply calls mkdir([parentdir dirsep dirname]), and if this is not
the required behavior, please file an enhancement request to have it changed. Note that
mkdir returns a logical 1 if the call succeeded, and a logical 0 if not.