btw: this would not provide you any performance benefits on big files.
streamed file reading (with forward only stream) and hashing results
while as reading takes the same (or even less) time than opening mmf
and hashing memory from mmf. Try it and see yourself.
I have source code for demonstrating that mmf-and-hash is no better
than stream-read-and-hash for those who is interested (except 4
mayevski) ;-)



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