There's two different ways to do it. First, the better way (CGI.pm)

# This line loads the CGI.pm module.
use CGI;

# Print any error messages to the browser
use CGI::Carp qw(fatalsToBrowser warningsToBrowser);

my $im_better = new CGI;

# You need to print a content header so you don't end up with Server 5
+00 errors
print $im_better->header();

print $im_better->start_html(-title => 'Test Page');

# The coveted link
print $im_better->a({href=>"http://www.google.com"}, 'Google');

$im_better->end_html();
[download]

Or you can do it quick and dirty:

print "Content-type: text/html\n\n"; # The content header
..... # Put stuff you need here
print '<a href="http://www.google.com>Google</a>';
[download]

If you're also processing form results, etc., I strongly urge you to use CGI.pm.

Update: Your reply to E-Bitch leads me to believe you might be talking about redirection. In which case:

use CGI;
my $im_better = new CGI; 
# Please note that I didn't print a header this time
print $im_better->redirect("http://www.google.com");
[download]

And the quick and dirty way:

# I also didn't print a header this time either
print "location:http://www.google.com\n\n";
[download]

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Sarah
If Bill Gates can name a company after his "bedroom" problems, I can have a stupid sig that points it out.