Perl

Add a Related String Addressed by Name

Demonstrates the Chilkat Email.AddRelatedString2 method, which adds a related item from an in-memory string, addressed by the name used in the HTML rather than by a generated Content-ID. The first argument should match the filename used in an HTML img src or a stylesheet link href; the second is the Unicode content; the third is the charset it is converted to. Related items are images and style sheets embedded to support the HTML display — they are not attachments. This example embeds a CSS style sheet referenced as styles.css.

Background: This is the string-based, Content-Location counterpart to AddRelatedString. Instead of the HTML pointing at a cid: URL, it keeps a natural reference like href="styles.css", and the related part is matched to it by name. That makes it a good fit when you are turning existing web content into email and want the original relative references to keep working without rewriting them.

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use strict;
use warnings;
use Chilkat2;

# Demonstrates the AddRelatedString2 method, which adds a related item to the email from
# an in-memory string, addressed by the name used in the HTML (Content-Location).  The first
# argument is the filename used in the HTML reference, the second is the content, and the
# third is the charset.

my $email = Chilkat2::Email->new;
$email->Subject('Email with a related style sheet (by name)');

# The HTML references the style sheet by the same name used for the related item.
$email->SetHtmlBody('<html><head><link rel="stylesheet" href="styles.css"/></head><body>Styled.</body></html>');

# Add the style sheet as a related item addressed by the name used in the HTML.
$email->AddRelatedString2('styles.css', 'body { color: navy; }', 'utf-8');

print 'NumRelatedItems = ', $email->NumRelatedItems, "\n";