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How to check if a file exists on an FTP server

, 1 Mar 2011 CPOL
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Describes how to check for file existence on an FTP Server using VB.NET
This is a method that I’ve used in the past to check for file existence on an FTP server.
Public Function CheckIfFtpFileExists(ByVal fileUri As String) As Boolean
       Dim request As FtpWebRequest = WebRequest.Create(fileUri)
       request.Credentials = New NetworkCredential("username", "password")
       request.Method = WebRequestMethods.Ftp.GetFileSize
           Dim response As FtpWebResponse = request.GetResponse()
           ' THE FILE EXISTS
       Catch ex As WebException
            Dim response As FtpWebResponse = ex.Response
            If FtpStatusCode.ActionNotTakenFileUnavailable = response.StatusCode Then
                ' THE FILE DOES NOT EXIST
                Return False
            End If
        End Try
        Return True
    End Function
Get’s called like this:
If CheckIfFtpFileExists("") Then
        ' Do something
End If


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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Pete Mourfield
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United States United States
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Comments and Discussions

GeneralExcellent PinmemberSamarjeet Singh8-Mar-13 7:04 
GeneralC# Version of above code : public bool CheckIfFtpFileExists... PinmemberPravin Patil, Mumbai1-Mar-11 22:33 
GeneralReason for my vote of 5 Interesting solution. I would sugges... PinmemberDrABELL1-Mar-11 10:59 
GeneralDoes not work Pinmemberus47118-Mar-11 2:23 
GeneralRe: Does not work PinmemberFrancis Lamarre19-Jan-12 9:24 

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