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Visual Basic 6.0 Examples

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(Visual Basic 6.0) SFTP Read Text File to String

Demonstrates how to download a text file from an SSH server directly into a string variable.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

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

Dim sftp As New ChilkatSFtp

' 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 hostname As String
hostname = "sftp.example.com"
Dim port As Long
port = 22
Dim success As Long
success = sftp.Connect(hostname,port)
If (success <> 1) Then
    Debug.Print 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 <> 1) Then
    Debug.Print sftp.LastErrorText
    Exit Sub
End If

' After authenticating, the SFTP subsystem must be initialized:
success = sftp.InitializeSftp()
If (success <> 1) Then
    Debug.Print sftp.LastErrorText
    Exit Sub
End If

' Open a file on the server:
Dim handle As String
handle = sftp.OpenFile("hamlet.xml","readOnly","openExisting")
If (sftp.LastMethodSuccess <> 1) Then
    Debug.Print sftp.LastErrorText
    Exit Sub
End If

' Get the total size of this file (in bytes)
Dim bFollowLinks As Long
bFollowLinks = 0
Dim bIsHandle As Long
bIsHandle = 1
Dim numBytes As Long

' bFollowLinks is ignored because we are passing a handle
' and not a remote filename.
' There are alternative methods for handling file sizes
' greater than 32-bit.  (See the reference documentation.)
numBytes = sftp.GetFileSize32(handle,bFollowLinks,bIsHandle)
If (numBytes < 0) Then
    Debug.Print sftp.LastErrorText
    Exit Sub
End If

' The charset indicates the character encoding of the text
' file on the SSH server.   Setting the charset correctly
' allows the Chilkat SFTP component to correctly interpret
' the bytes that represent the characters.
Dim charset As String
charset = "ansi"
Dim fileContents As String
fileContents = sftp.ReadFileText(handle,numBytes,charset)
If (sftp.LastMethodSuccess <> 1) Then
    Debug.Print sftp.LastErrorText
    Exit Sub
Else
    Debug.Print "Received file:"
    Debug.Print fileContents
End If

' Close the file.
success = sftp.CloseHandle(handle)
If (success <> 1) Then
    Debug.Print sftp.LastErrorText
    Exit Sub
End If

Debug.Print "Success."

 

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