Something

#!/usr/bin/perl


my @fred = qw{ 1 3 5 7 9 };

sub total {
        my $sum = 0;
        my @array = @_;
        foreach $number (@array) {
                $sum = $sum + @array[$number];
        }
        return $sum;
}


my $fred_total = &total(@fred);
print "The total of \@fred is $fred_total.\n";
print "Enter some numbers on separate lines: ";
my $user_total = &total(<STDIN>);
print "The total of those numbers is $user_total.\n";

~
~