On Mar 2, 2004, at 9:10 PM, Stuart White wrote:



Stuart, can we please see the whole script?

Stuart, I reworked the for loops to do what I believe you intended and made a few other general cleanups. See if this gets you going:


#!/usr/bin/perl
# primeNumbers.pl
use warnings;
use strict;

print "Enter a number that is bigger than 2:\t";
chomp( my $input = <STDIN> );
print "This is your number: $input \n";
my @list = (2 .. $input);

#this foreach loop goes through the @list array, putting the odd
#numbers into a new array, @primelist
my @primelist;
foreach (@list) { unshift @primelist, $_ if ($_ % 2); }

#for loops that will loop through @list and @primelist, getting the
#modulus of @primelist.  I anticipate that this will isolate prime
#numbers.
my @newPrimeList;
PRIMES:  for my $possible_prime (@primelist) {
        for my $test (3..($possible_prime - 1)) {
                next PRIMES unless $possible_prime % $test;
        }
        push @newPrimeList, $possible_prime;
}
 print "this is primelist:  @primelist\n";
 print "this is newPrimeList:  @newPrimeList\n";

__END__

James


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