Visual FoxPro

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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LOCAL lnSuccess
LOCAL loMime
LOCAL loSavedFiles
LOCAL n
LOCAL i
LOCAL lcName

lnSuccess = 0

loMime = CreateObject('Chilkat.Mime')
lnSuccess = loMime.LoadMimeFile("qa_data/multipart_message.eml")
IF (lnSuccess = 0) THEN
    ? loMime.LastErrorText
    RELEASE loMime
    CANCEL
ENDIF

*  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.
loSavedFiles = CreateObject('Chilkat.StringTable')
lnSuccess = loMime.PartsToFiles("qa_output/attachments",loSavedFiles)
IF (lnSuccess = 0) THEN
    ? loMime.LastErrorText
    RELEASE loMime
    RELEASE loSavedFiles
    CANCEL
ENDIF

n = loSavedFiles.Count
? "Saved " + STR(n) + " files:"

FOR i = 0 TO n - 1
    lcName = loSavedFiles.StringAt(i)
    IF (loSavedFiles.LastMethodSuccess = 0) THEN
        ? loSavedFiles.LastErrorText
        RELEASE loMime
        RELEASE loSavedFiles
        CANCEL
    ENDIF

    ? lcName
NEXT

RELEASE loMime
RELEASE loSavedFiles