Initial commit.

prime.pl

@@ -0,0 +1,23 @@
+use 5.30.3;
+
+use strict;
+use warnings;
+
+die "No argument received." unless scalar @ARGV;
+my $n = $ARGV[0];
+die "That does not look like like an integer positive number." unless $n =~ /^\d+$/;
+
+my @prime_list;
+for my $current_number ( 2 .. $n ) {
+    my $is_prime = 1;
+    for my $prime ( @prime_list ) {
+        unless ($current_number % $prime) {
+            $is_prime = 0;
+            last;
+        }
+    }
+    push @prime_list, $current_number if $is_prime;
+}
+
+say 'Your primes are: ' . (join ', ', @prime_list) . '.';
+say 'The number of primes is: ' . ( scalar @prime_list ) . '.';