Chilkat Examples

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(Go) Check if File Exists

Demonstrates how to check to see if a file exists.

Chilkat Go Downloads

Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    sftp := chilkat.NewSFtp()

    // Connect to the SSH server.  
    hostname := "sftp.example.com"
    port := 22
    success := sftp.Connect(hostname,port)
    if success != true {
        fmt.Println(sftp.LastErrorText())
        sftp.DisposeSFtp()
        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","myPassword")
    if success != true {
        fmt.Println(sftp.LastErrorText())
        sftp.DisposeSFtp()
        return
    }

    // After authenticating, the SFTP subsystem must be initialized:
    success = sftp.InitializeSftp()
    if success != true {
        fmt.Println(sftp.LastErrorText())
        sftp.DisposeSFtp()
        return
    }

    // Check to see if a file exists

    // The return value is one of the following values:
    // -1: Unable to check. Examine the LastErrorText to determine the reason for failure.
    // 0: File does not exist.
    // 1: The regular file exists.
    // 2: It exists, but it is a directory.
    // 3: It exists, but it is a symlink (only possible if followLinks is false)
    // 4: It exists, but it is a special filesystem entry type.
    // 5: It exists, but it is an unkown filesystem entry type.
    // 6: It exists, but it is an socket filesystem entry type.
    // 7: It exists, but it is an char device entry type.
    // 8: It exists, but it is an block device entry type.
    // 9: It exists, but it is an FIFO entry type.

    followLinks := true
    status := sftp.FileExists("someDir/someFile.txt",followLinks)
    if status < 0 {
        fmt.Println(sftp.LastErrorText())
        sftp.DisposeSFtp()
        return
    }

    fmt.Println("status = ", status)

    fmt.Println("Success")

    sftp.DisposeSFtp()

 

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