Swift

Upload Text to an FTP Server (StringBuilder)

Demonstrates the Chilkat Ftp2.PutFileSb method, which encodes the text in a StringBuilder and uploads it to a remote path. The arguments are the StringBuilder, the charset, whether to include a byte-order mark, and the remote file path.

Background: The text-oriented upload: assemble a document — CSV, config, JSON — in a StringBuilder and the method handles encoding as it writes. The charset governs the bytes actually stored, and the byte-order-mark flag is useful when a consuming Windows application expects a BOM.

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func chilkatTest() {
    var success: Bool = false

    //  Demonstrates the Ftp2.PutFileSb method, which encodes the text in a StringBuilder and uploads
    //  it to a remote path.  The 1st argument is the StringBuilder, the 2nd is the charset, the 3rd
    //  selects whether a byte-order mark is included, and the 4th is the remote file path.

    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
    }

    //  Build the text to upload.
    let sb = CkoStringBuilder()!
    sb.append(value: "name,quantity\n")
    sb.append(value: "widgets,42\n")

    //  Upload as UTF-8 without a byte-order mark.
    var includeBom: Bool = false
    success = ftp.putFileSb(sb: sb, charset: "utf-8", includeBom: includeBom, remoteFilePath: "public_html/inventory.csv")
    if success == false {
        print("\(ftp.lastErrorText!)")
        return
    }

    print("Uploaded text file.")

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


}