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Re:look(1): lines beginning with given string by nhaehnle on Saturday December 12, 2015 @11:11PM (#10725395)
Thanks to @climagic on Twitter, I recently learned that sort -R and shuf are not in fact the same thing. (sort -R doesn't actually shuffle...)
Re:look(1): lines beginning with given string by cfcef on Sunday December 13, 2015 @04:41PM (#10728088)
My point there was that besides being a true shuffle, 'shuf' also has an algorithmic advantage when you only need a few lines (similar to how lookup has an advantage when you only need a few).