Are you reading from the beginning of the file to the part you need, or going straight to the "random" position?

Ian

On 17 May 2007, at 19:14, Dave wrote:

That's what I'm doing, but it's *way* too slow and crashes if you read too much data. I've got a 60+ GB file and need to read at "random" positions in the file. Moving from somewhere near the start to somewhere near the end takes minutes! The ironic thing is that the data I want to read when I get there is quite small!

On 17 May 2007, at 18:49, Richard Gaskin wrote:

While much slower, as a workaround in the meantime you could read the file in chunks until you get to the part you're interested in.
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