sub group {
   my $n = shift;
   my @rv;
   push @rv, splice(@_, 0, $n) while @_;
   return @rv;
}

[download]

That just returns a copy of the original list. You probably meant push @rv, [ splice(@_, 0, $n) ] while @_;.

In reply to Re^2: List into two-dimensional array by haukex
in thread List into two-dimensional array by Anonymous Monk

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