Thanks, you must have read my mind. I was just thinking about this same problem yesterday!

There is one potential problem, depending on what one wants. If the file size is smaller than the sample size, you can get a sample with "holes": 

$ ./select.pl 3
1
2
[0] '2'
[1] ''
[2] '1'

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In reply to Re: selecting N random lines from a file in one pass by itub
in thread selecting N random lines from a file in one pass by seuratt

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