VBScript

File Existence Check

See more FTP Examples

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. VBScript

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

success = 0

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

set ftp = CreateObject("Chilkat.Ftp2")

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

' Connect and login to the FTP server.
success = ftp.Connect()
If (success <> 1) Then
    outFile.WriteLine(ftp.LastErrorText)
    WScript.Quit
End If

' Set the current remote directory to where the file is located:
success = ftp.ChangeRemoteDir("something")
If (success <> 1) Then
    outFile.WriteLine(ftp.LastErrorText)
    WScript.Quit
End If

' Test to see if the file exists by getting the file size by name. 
' If a -1 is returned, the file does not exist.
fileSize = ftp.GetSizeByName("test123.txt")
If (fileSize < 0) Then
    outFile.WriteLine("file does not exist")
Else
    outFile.WriteLine("file exists and is " & fileSize & " bytes in size")
End If

success = ftp.Disconnect()

outFile.Close