(Go) SFTP Read Text File

Demonstrates how to open a text file on the SSH server and read text.

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()

    // Set some timeouts, in milliseconds:
    sftp.SetConnectTimeoutMs(5000)
    sftp.SetIdleTimeoutMs(15000)

    // Connect to the SSH server.  
    // The standard SSH port = 22
    // The hostname may be a hostname or IP address.
    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
    }

    // Open a file for reading.
    var handle *string = new(string)
    handle = sftp.OpenFile("myTest.txt","readOnly","openExisting")
    if sftp.LastMethodSuccess() != true {
        fmt.Println(sftp.LastErrorText())
        sftp.DisposeSFtp()
        return
    }

    // Assume the file we are reading contains the following text:
    // abcdefghijklmnopqrstuvwxyz1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ
    // (in ANSI format -- i.e. one byte per char).

    // Read 26 bytes:
    var sText *string = new(string)
    sText = sftp.ReadFileText(*handle,26,"ansi")
    if sftp.LastMethodSuccess() != true {
        fmt.Println(sftp.LastErrorText())
        sftp.DisposeSFtp()
        return
    }

    // Should print "abcdefghijklmnopqrstuvwxyz"
    fmt.Println(*sText)

    // Read the next 10 bytes.
    sText = sftp.ReadFileText(*handle,10,"ansi")
    if sftp.LastMethodSuccess() != true {
        fmt.Println(sftp.LastErrorText())
        sftp.DisposeSFtp()
        return
    }

    // Should print "1234567890"
    fmt.Println(*sText)

    // Read the next 26 bytes.
    sText = sftp.ReadFileText(*handle,26,"ansi")
    if sftp.LastMethodSuccess() != true {
        fmt.Println(sftp.LastErrorText())
        sftp.DisposeSFtp()
        return
    }

    // Should print "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
    fmt.Println(*sText)

    // Close the file.
    success = sftp.CloseHandle(*handle)
    if success != true {
        fmt.Println(sftp.LastErrorText())
        sftp.DisposeSFtp()
        return
    }

    fmt.Println("Success.")

    sftp.DisposeSFtp()