Adding to the suggestions by BrowserUk, Zaxo and grinder, another possible solution would be to use each_array from List::MoreUtils. It is a bit of overkill for your current case, but it would work well if you generalized your problem to:
foreach my ($x,$y) (@name,@lastname)
{
do something
}
Only that it would be written as:
use List::MoreUtils qw(each_array);
...
my $names = each_array(@name, @lastname);
while ( my ($x, $y) = $names->() )
{
do something
}
With each_array, you may create an iterator which is able to loop over more than one array at once. That easy.
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