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SFTP Fsync -- Flush an Open File on the Server

See more SFTP Examples

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.

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Local $bSuccess = False

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

$oSftp = ObjCreate("Chilkat.SFtp")

; Pass a domain or IP address..
$bSuccess = $oSftp.Connect("my-sftp-server.com",22)
If ($bSuccess = True) Then
    $bSuccess = $oSftp.AuthenticatePw("mySFtpLogin","mySFtpPassword")
EndIf

If ($bSuccess = True) Then
    $bSuccess = $oSftp.InitializeSftp()
EndIf

If ($bSuccess <> True) Then
    ConsoleWrite($oSftp.LastErrorText & @CRLF)
    Exit
EndIf

; Open a file on the server for writing.
Local $sHandle = $oSftp.OpenFile("myTest.txt","writeOnly","createTruncate")
If ($oSftp.LastMethodSuccess <> True) Then
    ConsoleWrite($oSftp.LastErrorText & @CRLF)
    Exit
EndIf

; Write some text to the file:
$bSuccess = $oSftp.WriteFileText($sHandle,"ansi","abcdefghijklmnopqrstuvwxyz")
If ($bSuccess <> True) Then
    ConsoleWrite($oSftp.LastErrorText & @CRLF)
    Exit
EndIf

; 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)
$bSuccess = $oSftp.Fsync($sHandle)
If ($bSuccess <> True) Then
    ConsoleWrite($oSftp.LastErrorText & @CRLF)
    Exit
EndIf

; ....
; ....

$bSuccess = $oSftp.WriteFileText($sHandle,"ansi","ABCDEFGHIJKLMNOPQRSTUVWXYZ")
If ($bSuccess <> True) Then
    ConsoleWrite($oSftp.LastErrorText & @CRLF)
    Exit
EndIf

; Close the file.
$bSuccess = $oSftp.CloseHandle($sHandle)
If ($bSuccess <> True) Then
    ConsoleWrite($oSftp.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("Success." & @CRLF)