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lines in random order, or a random block of 1000 consecutive lines of that file?frostschutz– frostschutz2014-01-09 17:49:54 +00:00Commented Jan 9, 2014 at 17:49
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Every line gets the same probability to be chosen. Don't need to be consecutive although there is a tiny probability that a consecutive block of lines be chosen together. I've updated my question to clearer about that. Thanks.clwen– clwen2014-01-09 18:08:32 +00:00Commented Jan 9, 2014 at 18:08
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My github.com/barrycarter/bcapps/tree/master/bc-fastrand.pl does this approximately by seeking to a random location in the file and finding the nearest newlines.user2267– user22672019-04-18 18:18:41 +00:00Commented Apr 18, 2019 at 18:18
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