import 'package:libac_dart/utils/IOTools.dart'; Future main(List args) async { int seconds = int.parse(args[0]); await prnt("\rPlease Wait $seconds second(s)..."); while(seconds>=0) { await Future.delayed(Duration(seconds: 1)); await prnt("\rPlease Wait $seconds second(s)..."); seconds--; } await prnt("\r\n"); }