@CliCommand(value = PREFIX + "mkdir", help = "Create a new directory")
	public void mkdir(@CliOption(key = { "", "dir" }, mandatory = true, help = "directory name") final String dir) {
		List<String> argv = new ArrayList<String>();
		argv.add("-mkdir");
		argv.add(dir);
		run(argv.toArray(new String[0]));
	}
HDFS shell commands

@author Jarred Li
@author Glenn Renfro
spring-xd-shell/src/main/java/org/springframework/xd/shell/hadoop/FsShellCommands.java