Dart

Get FTP File Permissions

See more FTP Examples

_LANGUAGE_ example showing how to retrieve file permissions (via FTP) for each file in a remote directory. Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // This example requires the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  final ftp = CkFtp2();

  // Set the various properties to establish the connection.
  ftp.hostname = 'ftp.example.com';
  ftp.username = 'login';
  ftp.password = 'password';

  // If SSL/TLS is required..
  // See http://www.cknotes.com/determining-ftp2-connection-settings/ 
  // for more information.
  ftp.authTls = true;
  ftp.passiveUseHostAddr = true;

  // Connect to the FTP server:
  try {
    ftp.connectOnly();
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Authenticate with the FTP server.
  try {
    ftp.loginAfterConnectOnly();
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // To get file permissions in UNIX format, disallow MSLD:
  ftp.allowMlsd = false;

  // To get file and sub-directory information, simply
  // loop from 0 to ftp.GetDirCount() - 1
  var i = 0;
  var n = ftp.getDirCount();
  if (n < 0) {
    print(ftp.lastErrorText);
    return;
  }

  // Show the type of permissions information that is available.
  // The two most common types are "mlsd" and "unix".  See the
  // online reference documentation for more information.
  if (n > 0) {
    print('The permissions format is: ${ftp.getPermType(0)}');
  }

  while (i < n) {

    // Display the permissions and filename
    print('${ftp.getPermissions(i)} ${ftp.getFilename(i)}');

    i++;
  }

  // Assuming MLSD was possible, let's see the file permissions in MLSD format:
  ftp.allowMlsd = true;

  // Clear the directory cache so we're forced to re-fetch the directory listing:
  ftp.clearDirCache();

  n = ftp.getDirCount();
  if (n < 0) {
    print(ftp.lastErrorText);
    return;
  }

  // Show the type of permissions information that is available.
  // The two most common types are "mlsd" and "unix".  See the
  // online reference documentation for more information.
  if (n > 0) {
    print('----');
    print('The permissions format is: ${ftp.getPermType(0)}');
  }

  i = 0;
  while (i < n) {

    // Display the permissions and filename
    print('${ftp.getPermissions(i)} ${ftp.getFilename(i)}');

    i++;
  }

  ftp.disconnect();
}