Lianja

Zip an Email's Attachments into One File

Demonstrates the Chilkat Email.ZipAttachments method, which replaces all of an email's attachments with a single Zip file attachment having the specified filename. The original attachments are removed and packed into the Zip. This example adds two attachments and zips them into one.

Background: Bundling multiple attachments into a single .zip keeps a message tidy, compresses the payload, and works around recipients or gateways that limit the number of attachments. Note that the filename here (files.zip) names the attachment inside the message — it is not a path on disk. The reverse operation is UnzipAttachments.

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llSuccess = .F.

//  Demonstrates the ZipAttachments method, which replaces all of an email's attachments
//  with a single Zip file attachment having the specified filename.  The original
//  attachments are removed and packed into the Zip.

loEmail = createobject("CkEmail")
loEmail.Subject = "Zip the attachments"

loEmail.AddStringAttachment("a.txt","first attachment")
loEmail.AddStringAttachment("b.txt","second attachment")
? "NumAttachments before = " + str(loEmail.NumAttachments)

//  Replace all attachments with a single Zip attachment named "files.zip".
llSuccess = loEmail.ZipAttachments("files.zip")
if (llSuccess = .F.) then
    ? loEmail.LastErrorText
    release loEmail
    return
endif

? "NumAttachments after = " + str(loEmail.NumAttachments)


release loEmail