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( [id://3333]=superdoc: print w/replies, xml ) Need Help??
Sure. I saw all of these. (Though I do not see any reply by davorg). They are all exact, not estimated. The key here is "estimated because the file is Very, Very Large." Reading the whole file may be unacceptable.

In reply to Re^2: Estimate line count in text file by xaprb
in thread Estimate line count in text file by xaprb

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