VBScript

Set a Remote FTP File's Last-Modified Time

Demonstrates the Chilkat Ftp2.SetRemoteFileDateTimeStr method, which sets the last-modified time of a remote file. The first argument is an RFC 822 date-time string and the second is the remote filename.

Background: An upload normally leaves the remote file stamped with the time it arrived, which loses the original modification time — a problem for backups, mirrors, and timestamp-based sync. This method restores it, and Chilkat converts the supplied time to UTC before sending a server-supported command (typically MFMT). Whether it is honored depends on the server implementing such a command and granting permission.

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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

'  Demonstrates the Ftp2.SetRemoteFileDateTimeStr method, which sets the last-modified time of a
'  remote file.  The 1st argument is an RFC 822 date-time string and the 2nd is the remote
'  filename.

set ftp = CreateObject("Chilkat.Ftp2")

ftp.Hostname = "ftp.example.com"
ftp.Username = "myFtpLogin"

'  Normally you would not hard-code the password in source.  You should instead obtain it
'  from an interactive prompt, environment variable, or a secrets vault.
ftp.Password = "myPassword"

success = ftp.Connect()
If (success = 0) Then
    outFile.WriteLine(ftp.LastErrorText)
    WScript.Quit
End If

'  Chilkat converts the date to UTC and sends a server-supported timestamp-setting command.
success = ftp.SetRemoteFileDateTimeStr("Fri, 10 Jul 2026 20:15:30 -0600","public_html/report.pdf")
If (success = 0) Then
    outFile.WriteLine(ftp.LastErrorText)
    WScript.Quit
End If

outFile.WriteLine("Remote file timestamp set.")

success = ftp.Disconnect()
If (success = 0) Then
    outFile.WriteLine(ftp.LastErrorText)
    WScript.Quit
End If


outFile.Close