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Re^5: Get random unique lines from fileby roboticus (Chancellor) |
on Aug 30, 2012 at 14:46 UTC ( [id://990776]=note: print w/replies, xml ) | Need Help?? |
I wasn't really worried whether it was the best way or not, nor whether it used modules or not. I was just amused by the technique for getting a single random line from a file with equal probability, and wanted to generalize it so I could use it for multiple lines. Unfortunately, I haven't come up with any ideas that don't introduce a bias. (I haven't thought about it really hard for the last few days, but I've given it occasional thought during my daily commutes.) I might be able to come up with something if I would sit down and analyze the probabilities, but it's not quite interesting enough to work *that* hard on it! ;^) ...roboticus When your only tool is a hammer, all problems look like your thumb.
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