Fastest way to read every 30th byte of large binary file?

Posted by timmerk on Stack Overflow See other posts from Stack Overflow or by timmerk
Published on 2010-03-06T23:28:43Z Indexed on 2010/03/08 0:33 UTC
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What is the fastest way to read every 30th byte of a large binary file (2-3 GB)? I've read there are performance problems with fseek because of I/O buffers, but I don't want to read 2-3 GB of data into memory before grabbing every 30th byte either.

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Fastest way to read every 30th byte of large binary file? - Developer IT

Fastest way to read every 30th byte of large binary file?

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