extractOption function

String? extractOption(
  1. String short,
  2. String long,
  3. List<String> arguments
)

Helper to extract option from cli

Implementation

String? extractOption(String short, String long, List<String> arguments) {
  String? value;
  if (arguments.contains(short)) {
    value = arguments.elementAt(arguments.indexOf(short) + 1);
  } else if (arguments.contains(long)) {
    value = arguments.elementAt(arguments.indexOf(long) + 1);
  }
  return value;
}