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so-79455183

so-79455183

so-79455183

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PROPOSESSolution

On the other hand, using `buffer()` is good — using `.collectList()` will load the entire file content in memory before processing. Tension: defeating your purpose of saving memory. Outcome: using `buffer()` is good.

PROPOSESSolution

If you want to avoid that then you need a way to separate that initial line and capture its contents — The main issue to overcome here is that you are treating the first line of your CSV specially. Tension: its contents inform the processing of all the other lines. Outcome: here is where `filter()` comes in, and the fact that lambdas close over their context.

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