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Sams Teach Yourself Perl in 21 Days, Second Edition by Rafe Colburn, Laura Lemay

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Commonly Used Modules

Modules have been discussed on and off throughout this book. Now that the end is here, it's time to discuss a few useful modules that we didn't cover earlier. As has been mentioned several times already, CPAN is huge—these modules are just a selection that are widely used, but that aren't included as part of the Perl distribution.

LWP

LWP, also referred to as libwww-perl, is a massive package that contains a number of individual modules that pertain to basically all things Web-related. It's most frequently used for its built-in HTTP client, but it provides plenty of other Web-related features as well. After you've installed it, you can type perldoc LWP for details.

One module in the LWP package is LWP::Simple, which enables ...

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