Append Text to a Remote FTP File (StringBuilder)

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Demonstrates the Chilkat Ftp2.AppendFileSb method, which encodes the text in a StringBuilder and appends the bytes to a remote file. The arguments are the remote filename, the StringBuilder, and the charset.

Background: When you have accumulated several lines or records in a StringBuilder, this appends them to a remote file in one call, encoding as it writes. It pairs naturally with building up text in memory and flushing it to a remote log periodically.

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    success := false

    //  Demonstrates the Ftp2.AppendFileSb method, which encodes the text in a StringBuilder and
    //  appends the bytes to a remote file.  The 1st argument is the remote filename, the 2nd is the
    //  StringBuilder, and the 3rd is the charset.

    ftp := chilkat.NewFtp2()

    ftp.SetHostname("ftp.example.com")
    ftp.SetUsername("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.SetPassword("myPassword")

    success = ftp.Connect()
    if success == false {
        fmt.Println(ftp.LastErrorText())
        ftp.DisposeFtp2()
        return
    }

    sb := chilkat.NewStringBuilder()
    sb.Append("appended line one\n")
    sb.Append("appended line two\n")

    success = ftp.AppendFileSb("logs/app.log",sb,"utf-8")
    if success == false {
        fmt.Println(ftp.LastErrorText())
        ftp.DisposeFtp2()
        sb.DisposeStringBuilder()
        return
    }

    fmt.Println("Appended text.")

    success = ftp.Disconnect()
    if success == false {
        fmt.Println(ftp.LastErrorText())
        ftp.DisposeFtp2()
        sb.DisposeStringBuilder()
        return
    }


    ftp.DisposeFtp2()
    sb.DisposeStringBuilder()