1usage: mkdirp [DIR1,DIR2..] {OPTIONS}
 2
 3  Create each supplied directory including any necessary parent directories that
 4  don't yet exist.
 5  
 6  If the directory already exists, do nothing.
 7
 8OPTIONS are:
 9
10  -m, --mode   If a directory needs to be created, set the mode as an octal
11               permission string.
12