To shuffle columns (assuming rectangular data): 

my @idx= 0..$#{$aoa[0]};
Shuffle( \@idx );
for my $av (  @aoa  ) {
    @$av= @$av[@idx];
}

[download]

- tye        

In reply to Re: Splice equivalent for a two-dimensional arrays (col shuffle) by tye
in thread Splice equivalent for a two-dimensional arrays by a11

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