FTP Shell.Exec 
Author Message
 FTP Shell.Exec

When running FTP with input and output redirected to files, it is
necessary to include the password in the "in" file.  I would like to
use Shell.Exec (WSH 5.6) to run the FTP command line utility, because
this seems to cause FTP to prompt for the password.  BUT, the Exec
command with FTP seems to have some limitations ...
1)  All commands, including "quit", must be written to StdIn before
any output appears in StdOut.
2)  Because of 1), only a limited number of commands can be processed.
3)  Input commands are not echoed to StdOut (only replies).

Any insights would be most appreciated.
Ingo

Here is the code

Option Explicit

Dim Shell : Set Shell = WScript.CreateObject("WScript.Shell")
Dim oExec : set oExec = Shell.Exec("ftp -n" )

oExec.StdIn.WriteLine "open localhost"  
oExec.StdIn.WriteLine "user anonymous"
' cmd (dos) window will prompt for password at this point
oExec.StdIn.WriteLine "dir "

' hangs if the following line is omitted
oExec.StdIn.WriteLine "quit"  

Do Until oExec.Status <> 0 _
   And   oExec.StdErr.AtEndOfStream _
   And   oExec.StdOut.AtEndOfStream

          If Not oExec.StdOut.AtEndOfStream Then
            WScript.Echo(oExec.StdOut.ReadLine)
          Elseif Not oExec.StdErr.AtEndOfStream Then
            WScript.Echo(oExec.StdErr.ReadLine)
          End If

   WScript.Sleep 1000

Loop

Set oExec = Nothing



Mon, 05 Jul 2004 10:05:42 GMT  
 
 [ 1 post ] 

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