withName method
Returns a new File with the name
part changed
File('path/to/foo.dart').withName('bar.txt'); // -> File('path/to/bar.txt')
File('path/to/foo').withName('bar') // -> File('path/to/bar')
Implementation
FileSystemEntity withName(String newName) {
return File('$dirName${Platform.pathSeparator}$newName');
}