python - How to detect EOF with numpy.fromfile -


i trying read in large (several gb) binary file numpy.fromfile(). reading in entire file @ once generates out of memory error, want create loop read , process n chunks of data @ time. following:

while true:    numpy.fromfile(f, recordtype, n)    # proccess data     if f.eof():         break

how detect when have reached end of file, can break loop? 

while true:    = numpy.fromfile(f, recordtype, n)    # proccess data     if a.size < n:         break

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