How Perl Saved my Day![]() ![]() ![]() Example 3 |
The solution#!/usr/local/bin/perl # home of Perl require WWW::Search; # use someone else's # solution of the hard bit $search = new # generate a new WWW::Search('AltaVista::AdvancedWeb'); # search object $query = "heavy near metal near transport"; # that's what we look for $max = $search->maximum_to_retrieve(1000); # max nr of results $search->timeout(240); # timeout in seconds $search->native_query(WWW::Search::escape_query($query)); # set the query %results = (); # initialize a hash[Note 5] # that will hold the results while ($result = $search->next_result()) { # retrieve results $url = $result->url(); # store url, $title = $result->title(); # title, and $description = $result->description(); # description $title =~ s/\t/ /g; # remove tabs from title $description =~ s/\t/ /g; # and description $results{$url} = # store the result in "<LI><A HREF=$url>$url</A>\n" . # the hash, using the URL as "<B>$title</B><BR>\n" . # key and the rest as value, $description . "\n"; # with HTML formatting } print "<OL TYPE=1>\n<SMALL>"; # print to standard output foreach $key (sort keys %results) { # sorted by URL's print $results{$key}; } print "</OL></SMALL>\n"; |
![]() ![]() ![]() 10.12.1998 Michael Gfeller |