(AutoIt) File Existence Check

Testing to see if a file exists on the FTP server. The GetSizeByName method is a convenient way to check if a file exists. It will return -1 if the file does not exist, otherwise it returns the size of the file in bytes.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

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

$oFtp = ObjCreate("Chilkat.Ftp2")

$oFtp.Hostname = "ftp.example.com"
$oFtp.Username = "username"
$oFtp.Password = "password"

; Connect and login to the FTP server.
Local $bSuccess = $oFtp.Connect()
If ($bSuccess <> True) Then
    ConsoleWrite($oFtp.LastErrorText & @CRLF)
    Exit
EndIf

; Set the current remote directory to where the file is located:
$bSuccess = $oFtp.ChangeRemoteDir("something")
If ($bSuccess <> True) Then
    ConsoleWrite($oFtp.LastErrorText & @CRLF)
    Exit
EndIf

; Test to see if the file exists by getting the file size by name. 
; If a -1 is returned, the file does not exist.
Local $iFileSize = $oFtp.GetSizeByName("test123.txt")
If ($iFileSize < 0) Then
    ConsoleWrite("file does not exist" & @CRLF)
Else
    ConsoleWrite("file exists and is " & $iFileSize & " bytes in size" & @CRLF)
EndIf

$bSuccess = $oFtp.Disconnect()