Hello TomDLux and thank for your answer ! I've several thousands couples of numbers (in fact latitudes and longitudes, at first with 4 decimal precision. but converted to integers during the creation of a file). Physical storage place is not an issue, only memory space if the fastest parsing solution is memory intensive, because many different files will be processed by many different users at the same time......

In reply to Re^2: 3-byte representation by gerleu
in thread 3-byte representation by gerleu

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