"...read in a file that contains text and some perl variables."
Just don't do that. :-) Use a template system e.g. HTML::Template*. That is, imo, the best way to go for that part of your problem.
But it still leaves you with the next problem you'll have and which experienced monks are warning you about: quoting SQL properly. For that, placeholders are the way to go.
* Don't worry about the HTML part of the name, it is, again imo, a handy templating system. Of course there are many others. It is just one that I am very familiar with.
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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>
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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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