(Swift 3,4,5...) SFTP Read Directory Listing

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Demonstrates how to download a directory listing and iterate over the files.

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

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

    // Important: It is helpful to send the contents of the
    // sftp.LastErrorText property when requesting support.

    let sftp = CkoSFtp()!

    // Set some timeouts, in milliseconds:
    sftp.connectTimeoutMs = 5000
    sftp.idleTimeoutMs = 10000

    // Connect to the SSH server.  
    // The standard SSH port = 22
    // The hostname may be a hostname or IP address.
    var hostname: String? = "www.my-sftp-server.com"
    var port: Int = 22
    var success: Bool = sftp.connect(hostname, port: port)
    if success != true {
        print("\(sftp.lastErrorText!)")
        return
    }

    // Authenticate with the SSH server.  Chilkat SFTP supports
    // both password-based authenication as well as public-key
    // authentication.  This example uses password authenication.
    success = sftp.authenticatePw("myLogin", password: "myPassword")
    if success != true {
        print("\(sftp.lastErrorText!)")
        return
    }

    // After authenticating, the SFTP subsystem must be initialized:
    success = sftp.initializeSftp()
    if success != true {
        print("\(sftp.lastErrorText!)")
        return
    }

    // Open a directory on the server...
    // Paths starting with a slash are "absolute", and are relative 
    // to the root of the file system. Names starting with any other 
    // character are relative to the user's default directory (home directory).
    // A path component of ".." refers to the parent directory, 
    // and "." refers to the current directory. 
    var handle: String? = sftp.openDir(".")
    if sftp.lastMethodSuccess != true {
        print("\(sftp.lastErrorText!)")
        return
    }

    // Download the directory listing:
    var dirListing: CkoSFtpDir? = sftp.readDir(handle)
    if sftp.lastMethodSuccess != true {
        print("\(sftp.lastErrorText!)")
        return
    }

    // Close the handle for the directory listing.
    success = sftp.closeHandle(handle)
    if success != true {
        print("\(sftp.lastErrorText!)")
        return
    }

    // Iterate over the files.
    var i: Int = 0
    var n: Int = dirListing!.numFilesAndDirs.intValue
    while i < n {
        var fileObj: CkoSFtpFile? = dirListing!.getFileObject(i)

        print("\(fileObj!.filename!)")
        print("\(fileObj!.fileType!)")
        print("Size in bytes: \(fileObj!.size32.intValue)")
        print("----")

        fileObj = nil

        i = i + 1
    }

    dirListing = nil

    print("Success.")

}