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Re: Idiom to return 0 or random number of array elements

by bart (Canon)
on Dec 07, 2012 at 12:08 UTC ( #1007725=note: print w/ replies, xml ) Need Help??


in reply to Idiom to return 0 or random number of array elements

my @subset = @array[0 .. int rand(1 + @array)-1];
If the second parameter for the .. operator is lower than the first parameter, then you'll get no items.

BTW this will not return a random number of random elements. Instead it'll return the first N elements where N is a random number. If you want random elements, you could shuffle the array first.


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