(Swift 3,4,5...) Get FTP Directory Listing Information

Swift 3,4,5... example showing how to get information about files and subdirectories in the current remote FTP directory.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

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

    let ftp = CkoFtp2()!

    ftp.hostname = "ftp.example.com"
    ftp.username = "login"
    ftp.password = "password"

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

    // The ListPattern property is our directory listing filter.
    // The default value is "*", which includes everything.
    print("\(ftp.listPattern!)")

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

    if n > 0 {
        for i = 0; i <= n - 1; i++ {

            // Display the filename
            print("\(ftp.getFilename(i)!)")

            // Display the file size (in bytes)
            print("\(ftp.getSize(i).intValue)")

            // Is this a sub-directory?
            if ftp.getIsDirectory(i) == true {
                print(".. this is a sub-directory")
            }

            print("--")
        }

    }

    print("-----------------------------------")

    // Only files and directories
    // matching the ListPattern are returned.
    ftp.listPattern = "*.asp"
    n = ftp.getDirCount().intValue
    if n < 0 {
        print("\(ftp.lastErrorText!)")
        return
    }

    if n > 0 {
        for i = 0; i <= n - 1; i++ {

            // Display the filename
            print("\(ftp.getFilename(i)!)")

            // Display the file size (in bytes)
            print("\(ftp.getSize(i).intValue)")

            print("--")
        }

    }

    success = ftp.disconnect()

}