A more concise, but less fun, question would be, "What don't you use Perl for?" The lists would be much shorter. :)
- Blog platform (in Catalyst).
- Parsing data from diving websites and writing into Excel sheets.
- Server health checkups.
- Converting broken, nasty Project Gutenberg HTML to clean XHTML and automatically posting it.
- Ajax forms and user voting.
- Jokes, like Acme::LOLCAT.
- RSS/Atom writing and reading.
- Automatic tear down and rebuilding of databases; DBIx::Class::Schema::Loader + DBICx::Deploy.
- Reminder emails.
- Date counters and parsers.
- Graphing weblog stats.
- Filtering mixed text+html perfectly to clean XHTML with DWIM paragraphs and newlines.
- Perl code coloring.
- Chat server.
- Typographical auto-markup; e.g., (r) --> ®.
- RTF --> HTML.
- CSS collapsing and style inlining.
- Perl controlled rsync as part of build scripts.
- Colored XHTML document revision diffs.
- Tax calculators.
- Order tracking and manipulation.
- Language translation services.
- Search engines; raw, metaphone, vector.
- DB --> YAML --> DB.
- MP3 manipulation.
- Image stamping.
- Et cetera, et cetera
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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>
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<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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