return $cores;
}
+# Tiny function to grab a single IP-address from a given file.
+sub grab_address_from_file($) {
+ my ($file) = @_;
+
+ my $address;
+
+ # Check if the given file exists.
+ if(-f $file) {
+ # Open the file for reading.
+ open(FILE, $file) or die "Could not read from $file. $!\n";
+
+ # Read the address from the file.
+ $address = <FILE>;
+
+ # Close filehandle.
+ close(FILE);
+
+ # Remove newlines.
+ chomp($address);
+
+ # Check if the obtained address is valid.
+ if (&validip($address)) {
+ # Return the address.
+ return $address;
+ }
+ }
+
+ # Return nothing.
+ return;
+}
+
1;