C:\cygwin64\home\Fred\pages2\hunt>perl cpan4.pl WWW::Mechanize
module name is WWW::Mechanize
url is http://search.cpan.org/search?query=WWW%3A%3AMechanize&mode=all

C:\cygwin64\home\Fred\pages2\hunt>type cpan4.pl
#! /usr/bin/perl
use warnings;
use strict;
use 5.010;

# work out the name of the module we're looking for
my $module_name = $ARGV[0]
  or die "Must specify module name on command line";
say "module name is $module_name";

# create a new browser
use WWW::Mechanize;
my $browser = WWW::Mechanize->new();

# tell it to get the main page
$browser->get("http://search.cpan.org/");

# okay, fill in the box with the name of the
# module we want to look up
$browser->form_number(1);
$browser->field( "query", $module_name );
$browser->click();

my $url = $browser->uri;
say "url is $url";

# launch a browser...
system( 'C:\Program Files (x86)\Google\Chrome\Application\chrome.exe', $url );

exit(0);