Perl

Get the Content-Type of an Attachment

Demonstrates the Chilkat Email.GetAttachmentContentType method, which returns the Content-Type header field for the Nth attachment. Attachment indexing begins at 0. This example adds an attachment and reads its content type.

Background: The Content-Type (MIME type) of an attachment — such as text/plain, application/pdf, or image/png — tells a mail client how to handle the part: whether to display it inline, offer it as a download, or pick an icon for it. Reading it lets your program filter or route attachments by type, for example extracting only the PDFs from a batch of messages.

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Chilkat2 Perl

use strict;
use warnings;
use Chilkat2;

# Demonstrates the GetAttachmentContentType method, which returns the Content-Type header
# field for the Nth attachment.  The index is zero-based.

my $email = Chilkat2::Email->new;
$email->Subject('Attachment content type');

$email->AddStringAttachment('notes.txt', 'Some notes.');

# Get the Content-Type of the first attachment (index 0).
my $ct = $email->GetAttachmentContentType(0);
print 'Attachment 0 Content-Type: ', $ct, "\n";