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  1. or download this
    use LWP::UserAgent;

...
        die( "retrieval error: ", $res->status_line() );
    }
}
  2. or download this
    main::retrieve_url() called too early to check prototype at a.pl line 
+6.
  3. or download this
    use LWP::UserAgent;

...
}

print retrieve_url( 'http://www.finasta.lt' );
  4. or download this
    Too many arguments for main::retrieve_url at a.pl line 23, near "'http
+://www.fi
asta.lt' )"
Execution of a.pl aborted due to compilation errors.