$ nncp-hash [-file ...] [-seek X] [-debug] [-progress]
Calculate Merkle Tree Hashing hash of either stdin, or -file if
specified.
You can optionally force seeking the file first, reading only part of the file, and then prepending unread portion of data, with the -seek option. It is intended only for testing and debugging of MTH hasher capabilities.
-debug option shows all intermediate MTH hashes. And -progress will show progress bar.