Including a module with "use" reads the module and makes it available to your program within its own namespace. By default, many modules will export symbols (variables, functions, methods, etc.) into the "main::" namespace. This allows you access to these symbols without prefixing them with their proper namespace. Specifying a list of symbols with the "use" statement overrides the choice of symbols to export. When this list is empty, no symbols are exported. The symbols are still accessible by prefixing them with the namespace of the module.
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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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