Create folder on FTP server
FTP object created by ftp.
String enclosed in single quotation marks that specifies a path relative to the current folder on the FTP server.
Suppose that a hypothetical host, ftp.testsite.com, contains a folder named testfolder. Connect to the server and add a subfolder:
test=ftp('ftp.testsite.com'); mkdir(test,'testfolder/newfolder'); close(test);