This module implements a configurable web traversal engine, for a robot
or other web agent. Given an initial web page (URL), the Robot will get
the contents of that page, and extract all links on the page, adding
them to a list of URLs to visit.
Features of the Robot module include:
* Follows the Robot Exclusion Protocol.
* Supports the META element proposed extensions to the Protocol.
* Implements many of the Guidelines for Robot Writers.
* Configurable.
* Builds on standard Perl 5 modules for WWW, HTTP, HTML, etc.
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