It takes 3 seconds to read 8 MB of binary data in 1034 byte chunks, unpack it to ascii, and write it as a csv file.

Do you have a particular reason for doing this more quickly?

Examine what is said, not who speaks.
"Efficiency is intelligent laziness." -David Dunham
"Think for yourself!" - Abigail
"Memory, processor, disk in that order on the hardware side. Algorithm, algoritm, algorithm on the code side." - tachyon

In reply to Re: Most efficient way to build output file? by BrowserUk
in thread Most efficient way to build output file? by iKnowNothing

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