C:\Users\Perl Scripts> sieve2.pl Use of uninitialized value in new at C:\Users\Paul\Documents\Perl Scripts\question.pl line 20. Use of uninitialized value in new at C:\Users\Paul\Documents\Perl Scripts\question.pl line 20. Use of uninitialized value in new at C:\Users\Paul\Documents\Perl Scripts\question.pl line 20. Use of uninitialized value in new at C:\Users\Paul\Documents\Perl Scripts\question.pl line 20. Use of uninitialized value in new at C:\Users\Paul\Documents\Perl Scripts\question.pl line 20. Use of uninitialized value in new at C:\Users\Paul\Documents\Perl Scripts\question.pl line 20. Use of uninitialized value in new at C:\Users\Paul\Documents\Perl Scripts\question.pl line 20. Use of uninitialized value in new at C:\Users\Paul\Documents\Perl Scripts\question.pl line 20. Use of uninitialized value in new at C:\Users\Paul\Documents\Perl Scripts\question.pl line 20. Use of uninitialized value in new at C:\Users\Paul\Documents\Perl Scripts\question.pl line 20. Use of uninitialized value in new at C:\Users\Paul\Documents\Perl Scripts\question.pl line 20. 0 1 2 3 4 5 6 7 8 9 10 Can't call method "forprimes" without a package or object reference at C:\Users\Paul\Documents\Perl Scripts\question.pl line 18.