main.dart

import 'dart:io';
import 'package:path/path.dart' as p;

void main() async {
  late File test;
  try {
    test = File.fromUri(Uri.file(p.absolute('test.')));
    print(await test.exists());
    await test.copy('test.copy');
  } catch (_) {
    print('error copying ${test.uri}');
  }
  try {
    test = File('test.');
    print(await test.exists());
    await test.copy('test.copy');
  } catch (_) {
    print('error copying ${test.uri}');
  }
  try {
    test = File.fromUri(Uri.file('test.'));
    print(await test.exists());
    await test.copy('test.copy');
  } catch (_) {
    print('error copying ${test.uri}');
  }
}