I've never written any Perl script without subroutines (known as functions in other programming languages).
You don't need to use goto, you define subroutine and call it like this:
# define it
sub Add {
my ($x,$y) = @_;
return $x + $y;
}
# call it
print Add(5,3);
# it will print out 8
You may want to tell us what's the problem you are trying to solve so we can help you deciding what would work for you.
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