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It might be more appropriate to do the shuffle before the uniq if the OP wants the duplicate values to have a greater chance of being selected - as suggested by the name @weighteddiv.
use List::Util 'shuffle'; use List::MoreUtils 'uniq'; use strict; my @weighteddiv = ( (1..50), (1..10) x 10, ); my @shuffle1 = shuffle( uniq @weighteddiv ); my @shuffle2 = uniq( shuffle @weighteddiv ); printf "shuffle1: %s\n", join(', ', sort {$a <=> $b} @shuffle1[0..10]) +; printf "shuffle2: %s\n", join(', ', sort {$a <=> $b} @shuffle2[0..10]) +;
Output:
shuffle1: 2, 5, 16, 17, 23, 25, 26, 27, 39, 42, 43 shuffle2: 1, 3, 4, 5, 6, 8, 9, 10, 13, 40, 50
This approach is appropriate for the current implementation of uniq, which preserves the original order while removing duplicates.

In reply to Re^3: removing the goto by imp
in thread removing the goto by scoobyrico

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