Classic ASP

Get a Header Attribute of an Attachment

Demonstrates the Chilkat Email.GetAttachmentAttr method, which returns a header-field attribute value from a header field of the Nth attachment. The first argument is the zero-based attachment index, the second names a header field, and the third names an attribute within it. This example reads the filename attribute of the attachment's Content-Disposition header.

Background: A MIME header can have named parameters after its main value, such as Content-Type: text/plain; charset="utf-8"; name="notes.txt". Here charset and name are attributes. GetAttachmentAttr pulls out one named attribute from a chosen header of a specific attachment, sparing you from parsing the raw header string and dealing with quoting or ordering.

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Classic ASP

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
'  Demonstrates the GetAttachmentAttr method, which returns a header-field attribute value
'  from a header field of the Nth attachment.  The first argument is the zero-based attachment
'  index, the second is the header field name, and the third is the attribute name.

set email = Server.CreateObject("Chilkat.Email")
email.Subject = "Attachment header attribute"

success = email.AddStringAttachment("notes.txt","Some notes.")

'  Get the "filename" attribute of the attachment's Content-Disposition header (index 0).
fname = email.GetAttachmentAttr(0,"Content-Disposition","filename")
Response.Write "<pre>" & Server.HTMLEncode( "Attachment filename attribute: " & fname) & "</pre>"

%>
</body>
</html>