Why are you using the next inside the foreach loop, when the foreach loop itself will iterate over the list of numbers?

my @numbers = (1..6);
foreach my $number (@numbers) {
    print $number;
}
[download]

If you need to exit on a specific condition, use last:

my @numbers = (1..6);
foreach my $number (@numbers) {
    last if $number == 4;
    print $number;
}
[download]

If you want to continue based on a subroutine, you probably don't need to eval it, just call it, unless you'll be using it to do primitive error handling.

my @numbers = (1..6);
foreach my $number (@numbers) {
    next if next_loop($number);
    print $number;
}

sub next_loop {
   # return some true or false value
   my $num = shift;
   return ($num % 2);
   # will skip over odd numbers
}
[download]

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