VBScript

Save All MIME Attachments to Files

Demonstrates the Chilkat Mime.PartsToFiles method, which recursively traverses the MIME tree and saves each part having a nonempty filename parameter to a directory. The first argument is the destination directory and the second is a StringTable that receives the saved filenames.

Note: The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: This extracts every named attachment from a message in one call, walking the whole tree so it finds attachments nested inside multipart containers. It saves only parts that declare a filename — inline body parts without one are skipped — and reports what it wrote via the StringTable, which is handy for logging or follow-up processing. The destination directory must already exist.

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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

set mime = CreateObject("Chilkat.Mime")
success = mime.LoadMimeFile("qa_data/multipart_message.eml")
If (success = 0) Then
    outFile.WriteLine(mime.LastErrorText)
    WScript.Quit
End If

'  Recursively traverse the MIME tree and save each part that has a nonempty "filename" parameter
'  to a directory.  The 1st argument is the destination directory and the 2nd is a StringTable
'  that receives the saved filenames.
set savedFiles = CreateObject("Chilkat.StringTable")
success = mime.PartsToFiles("qa_output/attachments",savedFiles)
If (success = 0) Then
    outFile.WriteLine(mime.LastErrorText)
    WScript.Quit
End If

n = savedFiles.Count
outFile.WriteLine("Saved " & n & " files:")

For i = 0 To n - 1
    name = savedFiles.StringAt(i)
    If (savedFiles.LastMethodSuccess = 0) Then
        outFile.WriteLine(savedFiles.LastErrorText)
        WScript.Quit
    End If

    outFile.WriteLine(name)
Next

outFile.Close