Reading zip archive, extracting one file, decoding JSON and printing list of keys.

saao08 zipping.dart

import 'dart:io';
import 'dart:convert';

import 'package:archive/archive.dart';

void main() {
  List<int> bytes = new File('saao-saa08.zip').readAsBytesSync();

  Archive archive = new ZipDecoder().decodeBytes(bytes);

  Utf8Decoder decoder = new Utf8Decoder();

  Map catalog;

  for (ArchiveFile file in archive) {
    String name = file.name;
    print(name);
    if (name == 'saao/saa08/catalogue.json') {
      String contents = decoder.convert(file.content);
      print(contents);
      catalog = JSON.decode(contents);
    }
  }

  print(catalog["members"].keys.toList());
}