get file name from path dart

import 'package:path/path.dart';

File file = new File("/dir1/dir2/file.ext");
String basename = basename(file.path);
# file.ext

void main() {
  var completePath = "/dev/dart/work/hello/app.dart";
  var fileName = (completePath.split('/').last);
  var filePath = completePath.replaceAll("/$fileName", '');
  print(fileName);
  print(filePath);
}