(Swift 2) Get FTP File Permissions

Swift 2 example showing how to retrieve file permissions (via FTP) for each file in a remote directory.

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func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let ftp = CkoFtp2()

    // Set the various properties to establish the connection.
    ftp.Hostname = "ftp.example.com"
    ftp.Username = "login"
    ftp.Password = "password"

    // If SSL/TLS is required..
    // See http://www.cknotes.com/determining-ftp2-connection-settings/ 
    // for more information.
    ftp.AuthTls = true
    ftp.PassiveUseHostAddr = true

    // Connect to the FTP server:
    var success: Bool = ftp.ConnectOnly()
    if success != true {
        print("\(ftp.LastErrorText)")
        return
    }

    // Authenticate with the FTP server.
    success = ftp.LoginAfterConnectOnly()
    if success != true {
        print("\(ftp.LastErrorText)")
        return
    }

    // To get file permissions in UNIX format, disallow MSLD:
    ftp.AllowMlsd = false

    // To get file and sub-directory information, simply
    // loop from 0 to ftp.GetDirCount() - 1
    var i: Int = 0
    var n: Int = ftp.GetDirCount().intValue
    if n < 0 {
        print("\(ftp.LastErrorText)")
        return
    }

    // Show the type of permissions information that is available.
    // The two most common types are "mlsd" and "unix".  See the
    // online reference documentation for more information.
    if n > 0 {
        print("The permissions format is: \(ftp.GetPermType(0))")
    }

    while i < n {

        // Display the permissions and filename
        print("\(ftp.GetPermissions(i)) \(ftp.GetFilename(i))")

        i = i + 1
    }

    // Assuming MLSD was possible, let's see the file permissions in MLSD format:
    ftp.AllowMlsd = true

    // Clear the directory cache so we're forced to re-fetch the directory listing:
    ftp.ClearDirCache()

    n = ftp.GetDirCount().intValue
    if n < 0 {
        print("\(ftp.LastErrorText)")
        return
    }

    // Show the type of permissions information that is available.
    // The two most common types are "mlsd" and "unix".  See the
    // online reference documentation for more information.
    if n > 0 {
        print("----")
        print("The permissions format is: \(ftp.GetPermType(0))")
    }

    i = 0
    while i < n {

        // Display the permissions and filename
        print("\(ftp.GetPermissions(i)) \(ftp.GetFilename(i))")

        i = i + 1
    }

    success = ftp.Disconnect()

}