🚀 go-pugleaf

I am trying to delete a directory (that's the file type, not the
NDS type!) via the NetWare API.  The 'delete directory' call won't
let me delete a directory that isn't empty.

What am I doing at the moment is scanning for subdirectories, 
deleting those recursively, then deleting the files in the directory,
which I can do in one go using wildcards -- except that it may fail
because some files are flagged non-deletable, then I have to scan
all the files individually and change their flags.

Is there a better way?  How can I get the tree deleted in a minimum
number of NCP interactions that doesn't involve all that network
traffic to scan the tree?  Is there a way to handle the read-only
flags problem?