Dart uses the dart:io library to work with files and directories.
dart:io
Dart’s dart:io library facilitates the creation of temporary files through the Directory class.
Directory
Dart’s core library, dart:io, provides the necessary functionalities to read text files synchronously or asynchronously.
Dart provides a straightforward approach to access command line arguments via the List<String> args in the main method.
List<String> args
Dart’s core library provides the dart:io package for file handling, allowing you to write text files without the need for third-party libraries.
In Dart, writing to stderr is straightforward using the stderr object available in dart:io.
stderr