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Dart

Download Text File into String Variable

See more FTP Examples

Download a text file directly into a string variable.

Chilkat Dart Downloads

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();

  ftp.hostname = 'ftp.someFtpServer.com';
  ftp.username = 'myFtpUserAccount';
  ftp.password = 'myFtpPassword';

  // Set other possible settings...
  // See http://www.cknotes.com/determining-ftp2-connection-settings/ 
  // for more information about FTP connection settings.
  ftp.passive = true;
  ftp.authTls = true;

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

  // Change to the remote directory where the existing file is located.
  try {
    ftp.changeRemoteDir('junk');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Download the contents of the remote file into a string variable.

  // The GetRemoteFileTextData method assumes the remote file contains ANSI chars.
  // To download text files containing non-ANSI text, such as utf-8, call GetRemoteFileTextC
  // instead. (see below)
  String fileContents;
  try {
    fileContents = ftp.getRemoteFileTextData('ansiText.txt');
    print(fileContents);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // To download a remote text file containing utf-8 chars, 
  // call GetRemoteFileTextC and pass "utf-8" for the 2nd arg.  This tells
  // Chilkat to interpret the incoming bytes according to the utf-8 character encoding.

  try {
    fileContents = ftp.getRemoteFileTextC('utf8Text.txt', 'utf-8');
    print(fileContents);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  ftp.disconnect();
}