Here documents work well if all you have to do is replacing some variables. If you need more, especially conditions and loops, then the handling with here documents becomes ugly --- you may embed simpler conditions as @{[ $condition ? $foo : $bar ]}, but often you have to split the here doc into multiple parts.
Regarding keeping the logic outside: most, if not all templating systems work by receiving their data from the outside and doing only the output work. Some templating systems additionaly have more features (up to a [% PERL %] directive to embed perl code), but it's up to you to use them or not.
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Are you posting in the right place? Check out Where do I post X? to know for sure.
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Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
<u> <ul>
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Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
intervention).
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Want more info? How to link
or How to display code and escape characters
are good places to start.
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