It's best to avoid passing non-scalars around that way. I think you're generally better served by passing the references
my @test = (1,2); my @test2 = (3,4); foo(\@test,\@test2); sub foo { my ($array,$array2) = @_; print $_ ."\n" for(@{$array}); print $_ ."\n" for(@{$array2}); }

In reply to Re^2: passing variables between subroutines by Grygonos
in thread passing variables between subroutines by budreaux

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