Sync a Single FTP Directory Down to Local

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Demonstrates the Chilkat Ftp2.SyncLocalDir method, which synchronizes files from the current remote directory into a local directory without descending into subdirectories. The first argument is the local root and the second is the download mode.

Note: The local paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

import 'package:chilkat/chilkat.dart';

void main() {
  // Demonstrates the Ftp2.SyncLocalDir method, which synchronizes files from the current remote
  // directory into a local directory WITHOUT descending into subdirectories.  The 1st argument is
  // the local root and the 2nd is the download mode.

  final ftp = CkFtp2();

  ftp.hostname = 'ftp.example.com';
  ftp.username = 'myFtpLogin';

  // Normally you would not hard-code the password in source.  You should instead obtain it
  // from an interactive prompt, environment variable, or a secrets vault.
  ftp.password = 'myPassword';

  try {
    ftp.connect();
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  try {
    ftp.changeRemoteDir('public_html');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // This is the single-directory (non-recursive) form of SyncLocalTree; it uses the same modes.
  //   0 = all selected files
  //   1 = files missing locally
  //   2 = missing locally, or newer on the server
  //   3 = only files that exist locally and are newer on the server
  //   5 = missing locally, or a different size
  //   6 = missing, different size, or newer on the server
  //  99 = do not download; delete local... (see docs)

  final mode = 2;
  try {
    ftp.syncLocalDir('qa_output/site', mode);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  print('Remote directory synced to local (top level only).');

  try {
    ftp.disconnect();
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }
}