pathRename function
Renames a file or a directory
Implementation
void pathRename(String oldPath, String newPath) {
if (directoryExists(oldPath)) {
dart_io.Directory(oldPath).renameSync(newPath);
} else if (fileExists(oldPath)) {
dart_io.File(oldPath).renameSync(newPath);
} else {
throw Exception('$oldPath does not exist');
}
}