Chilkat Examples

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Swift 3/4 Examples

ASN.1
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(Swift 3/4) SFTP Fsync -- Flush an Open File on the Server

Demonstrates how to flush the contents of an open file on the server. This example only works for servers that implement the fsync@openssh.com extension.

Note: This example requires Chilkat v9.5.0.71 or later.

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 SFTP API to have been previously unlocked.
    //  See Unlock Chilkat SFTP for sample code.

    let sftp = CkoSFtp()!

    //  Pass a domain or IP address..
    var success: Bool = sftp.connect("my-sftp-server.com", port: 22)
    if success == true {
        success = sftp.authenticatePw("mySFtpLogin", password: "mySFtpPassword")
    }

    if success == true {
        success = sftp.initializeSftp()
    }

    if success != true {
        print("\(sftp.lastErrorText!)")
        return
    }

    //  Open a file on the server for writing.
    var handle: String? = sftp.openFile("myTest.txt", access: "writeOnly", createDisp: "createTruncate")
    if sftp.lastMethodSuccess != true {
        print("\(sftp.lastErrorText!)")
        return
    }

    //  Write some text to the file:
    success = sftp.writeFileText(handle, charset: "ansi", textData: "abcdefghijklmnopqrstuvwxyz")
    if success != true {
        print("\(sftp.lastErrorText!)")
        return
    }

    //  Make sure the server flushes what we wrote to the disk..
    //  (this is requires a server that implements the fsync@openssh.com SFTP protocol extension)
    success = sftp.fsync(handle)
    if success != true {
        print("\(sftp.lastErrorText!)")
        return
    }

    //  ....
    //  ....

    success = sftp.writeFileText(handle, charset: "ansi", textData: "ABCDEFGHIJKLMNOPQRSTUVWXYZ")
    if success != true {
        print("\(sftp.lastErrorText!)")
        return
    }

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

    print("Success.")

}

 

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