My first Dart application: a simple TCP port scanner.
Usage
dart run bin/dart_scan.dart -h
-h, --[no-]help Display this help menu.
-H, --host The host which to scan. Must be a FQDN or IP address.
(defaults to "")
-p, --ports The port or ports to scan on the host. Can be a single port, comma-separated list of ports, or a range of ports.
(defaults to "")