Swift

Download Multiple FTP Files by Wildcard (MGET)

Demonstrates the Chilkat Ftp2.MGetFiles method, which downloads files in the current remote directory matching a pattern into a local directory. The first argument is the remote pattern and the second is the local directory. It returns the number of files downloaded, or -1 on failure.

Note: The local paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: This is FTP's mget: fetch everything matching a wildcard in one call rather than looping yourself. It operates on the current remote directory — hence the ChangeRemoteDir first — and does not descend into subdirectories; use DownloadTree for recursive transfers. The count return lets you confirm how many matched, with -1 signaling an outright failure to check separately from a legitimate zero.

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Swift


func chilkatTest() {
    var success: Bool = false

    //  Demonstrates the Ftp2.MGetFiles method, which downloads files in the current remote directory
    //  matching a pattern into a local directory.  The 1st argument is the remote pattern and the 2nd
    //  is the local directory.  It returns the number of files downloaded, or -1 on failure.

    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
    }

    //  Download all .html files from the current remote directory.  Subdirectories are not traversed.
    var numDownloaded: Int = ftp.mGetFiles(remotePattern: "*.html", localDir: "qa_output/site").intValue
    if numDownloaded < 0 {
        print("\(ftp.lastErrorText!)")
        return
    }

    print("Downloaded \(numDownloaded) files.")

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


}