Hi, i am trying to write a program for a web crawler and i could do with some help. The start of my code is written below:

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use WWW::Robot;
#Module used to strip the contents from the HTML(leave only the text)
  
 print "Please input the URL of the site to be searched \n";
 
 $url_name = <STDIN>; # The user inputs the URL to be searched
 
 #Create an instance of the webcrawler
 $web_crawler = new WWW::Robot('NAME'     =>  'My WebCrawler',
                               'VERSION'  =>  '1.000',
                               'EMAIL'    =>  'email@email');

                           
  #Below the attributes of the web crawler are set
  $web_crawler->addHook('invoke-on-all-url', \&invoke_test);

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[download]

My problem is that the compiler gives me error messages i can't get the hang of. It says:

WWW::Robot: failed to create User Agent object: LWP::RobotUA from address required at C:/Perl/site/lib/WWW/Robot.pm line 1160.

I have tried various things to get round this but can't seem to find the problem. I suspect its something simplebut havent got the knowledge to find what. The WWW::Robot and LWP::RobotUA are installed with my version of Perl. Thanks for viewing

20050719 Edit by ysth: p, code tags