Save a MIME Body (Attachment) to a File

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Demonstrates the Chilkat Mime.SaveBody method, which writes the decoded body bytes of the current part to a file. The only argument is the file path. Base64 and quoted-printable are decoded; MIME headers and multipart framing are not written.

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 is the direct way to extract a part's content to disk — saving an attachment or the payload of a part as its real, decoded bytes. Chilkat reverses the transfer encoding so the file contains the actual content, not its Base64 form. To reach a specific attachment in a multipart message, navigate to that part (for example with PartAt) before calling this.

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    success := false

    mime := chilkat.NewMime()
    success = mime.LoadMimeFile("qa_data/message.eml")
    if success == false {
        fmt.Println(mime.LastErrorText())
        mime.DisposeMime()
        return
    }

    //  Write the decoded body bytes of the current part to a file.  Base64 and quoted-printable are
    //  decoded; MIME headers and multipart framing are not written.  This is how you save an
    //  attachment or the raw content of a part.
    success = mime.SaveBody("qa_output/body_content.dat")
    if success == false {
        fmt.Println(mime.LastErrorText())
        mime.DisposeMime()
        return
    }

    fmt.Println("Body saved.")

    mime.DisposeMime()