Append to Existing File on FTP Server

Append a local file to an existing file on the FTP server.

Download Chilkat Java Library

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkFtp2 ftp = new CkFtp2();

    boolean success;

    // Any string unlocks the component for the 1st 30-days.
    success = ftp.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println(ftp.lastErrorText());
        return;
    }

    ftp.put_Hostname("www.example-code.com");
    ftp.put_Username("****");
    ftp.put_Password("****");

    // Connect and login to the FTP server.
    success = ftp.Connect();
    if (success != true) {
        System.out.println(ftp.lastErrorText());
        return;
    }

    // Change to the remote directory where the existing file is located.
    success = ftp.ChangeRemoteDir("junk");
    if (success != true) {
        System.out.println(ftp.lastErrorText());
        return;
    }

    // Append moreHamlet.txt to hamlet.txt on the FTP server.
    String localFilename;
    localFilename = "moreHamlet.txt";
    String remoteFilename;
    remoteFilename = "hamlet.txt";

    success = ftp.AppendFile(localFilename,remoteFilename);
    if (success != true) {
        System.out.println(ftp.lastErrorText());
        return;
    }

    ftp.Disconnect();

    System.out.println("File Appended!");
  }
}