// my command R < /Users/Adva/Desktop/repository/esm/dev/workspace/it.unibz.esm/resources/r/r.in.txt --no-save > /Users/Adva/Desktop/repository/esm/dev/workspace/it.unibz.esm/resources/r/r.out.txt

//the code

	
		String[] cmd = {"/bin/sh", "-c", "myCmd"};
		try {
			Runtime.getRuntime().exec(cmd);
		} catch (IOException e) {
			e.printStackTrace();
		}