Synchronously copy this file. Returns a File instance for the copied file.
If newPath
identifies an existing file, that file is replaced. If newPath
identifies an existing directory the operation fails and an exception is thrown.
File copySync(String newPath);
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.5.0/dart-io/File/copySync.html