Swift

Get a Remote FTP File's Last-Modified Time by Name

Demonstrates the Chilkat Ftp2.GetLastModifiedTimeByNameStr method, which returns the last-modified time of a named item in the current remote directory as an RFC 822 date-time string. The only argument is the filename.

Background: This queries one item's modification time directly (typically via MDTM) rather than pulling and scanning a whole listing — efficient when you already know the filename and just need its timestamp, for example to decide whether a local copy is stale. The RFC 822 string includes a timezone offset, so the moment is unambiguous.

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Swift


func chilkatTest() {
    var success: Bool = false

    //  Demonstrates the Ftp2.GetLastModifiedTimeByNameStr method, which returns the last-modified time
    //  of a named item in the current remote directory as an RFC 822 date-time string.  The only
    //  argument is the filename.

    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
    }

    success = ftp.changeRemoteDir(relativeDirPath: "public_html")
    if success == false {
        print("\(ftp.lastErrorText!)")
        return
    }

    var lastModified: String? = ftp.getLastModifiedTime(byNameStr: "report.pdf")
    if ftp.lastMethodSuccess == false {
        print("\(ftp.lastErrorText!)")
        return
    }

    print("Last modified: \(lastModified!)")

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


}