Swift

Download an FTP File as Text with a Charset

Demonstrates the Chilkat Ftp2.GetRemoteFileTextC method, which downloads a remote file, decodes the bytes using a named charset, and returns the text. The first argument is the remote filename and the second is the charset. A byte-order mark for the selected encoding is recognized and omitted.

Background: This is the encoding-aware way to read a remote text file: you name the charset (utf-8, iso-8859-1, and so on) so multibyte and accented characters decode correctly, and a leading BOM is stripped automatically. Prefer it over GetRemoteFileTextData whenever the file's encoding is known, which is almost always.

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func chilkatTest() {
    var success: Bool = false

    //  Demonstrates the Ftp2.GetRemoteFileTextC method, which downloads a remote file, decodes the
    //  bytes using a named charset, and returns the text.  The 1st argument is the remote filename
    //  and the 2nd 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
    }

    //  Download a UTF-8 text file.  A byte-order mark for the selected encoding is recognized and
    //  omitted from the returned text.
    var fileText: String? = ftp.getRemoteFileTextC(remoteFilename: "public_html/readme.txt", charset: "utf-8")
    if ftp.lastMethodSuccess == false {
        print("\(ftp.lastErrorText!)")
        return
    }

    print("\(fileText!)")

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


}