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SFTP Write Binary File

How to write binary data to a remote file.

Download Chilkat .NET for 2.0 / 3.5 Framework

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

Dim sftp As New Chilkat.SFtp()

'  Any string automatically begins a fully-functional 30-day trial.
Dim success As Boolean
success = sftp.UnlockComponent("Anything for 30-day trial")
If (success <> true) Then
    MsgBox(sftp.LastErrorText)
    Exit Sub
End If


'  Set some timeouts, in milliseconds:
sftp.ConnectTimeoutMs = 5000
sftp.IdleTimeoutMs = 15000

'  Connect to the SSH server.
'  The standard SSH port = 22
'  The hostname may be a hostname or IP address.
Dim port As Long
Dim hostname As String
hostname = "192.168.1.108"
port = 22
success = sftp.Connect(hostname,port)
If (success <> true) Then
    MsgBox(sftp.LastErrorText)
    Exit Sub
End If


'  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) Then
    MsgBox(sftp.LastErrorText)
    Exit Sub
End If


'  After authenticating, the SFTP subsystem must be initialized:
success = sftp.InitializeSftp()
If (success <> true) Then
    MsgBox(sftp.LastErrorText)
    Exit Sub
End If


'  Create a new file on the server.
'  "createTruncate" -- A new file is created; if the file already exists, it is opened and truncated.
Dim handle As String
handle = sftp.OpenFile("binaryData.dat","writeOnly","createTruncate")
If (handle = vbNullString ) Then
    MsgBox(sftp.LastErrorText)
    Exit Sub
End If


Dim binaryData() As Byte = {1,2,3,4,5,6,7,8,9,10}

success = sftp.WriteFileBytes(handle,binaryData)
If (success <> true) Then
    MsgBox(sftp.LastErrorText)
    Exit Sub
End If


'  Close the file.
success = sftp.CloseHandle(handle)
If (success <> true) Then
    MsgBox(sftp.LastErrorText)
    Exit Sub
End If


MsgBox("Success.")
 

Need a specific example? Send a request to support@chilkatsoft.com

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