Swift

Append Text Content to a Remote FTP File

Demonstrates the Chilkat Ftp2.AppendFileFromTextData method, which appends text (encoded with a charset) to a remote file. The arguments are the remote filename, the text, and the charset.

Background: This is the append equivalent of PutFileFromTextData — the simplest way to add a line or record to a remote log or data file directly from a string, with no local file involved. The charset controls the encoding of the appended content; the remote filename's own encoding is handled separately.

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Swift


func chilkatTest() {
    var success: Bool = false

    //  Demonstrates the Ftp2.AppendFileFromTextData method, which appends text (encoded with a
    //  charset) to a remote file.  The 1st argument is the remote filename, the 2nd is the text, and
    //  the 3rd is the charset.

    let ftp = CkoFtp2()!

    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"

    success = ftp.connect()
    if success == false {
        print("\(ftp.lastErrorText!)")
        return
    }

    //  Append a log line directly, with no local file involved.
    var line: String? = "2026-07-27 12:00:00  server started\n"
    success = ftp.appendFile(fromTextData: "logs/app.log", textData: line, charset: "utf-8")
    if success == false {
        print("\(ftp.lastErrorText!)")
        return
    }

    print("Appended a log line.")

    success = ftp.disconnect()
    if success == false {
        print("\(ftp.lastErrorText!)")
        return
    }


}