Listing 3. send-cookie.pl

#!/usr/bin/perl -w
# send-cookie.pl. This program outputs an HTML<\n> 
# "meta" tag that contains a cookie which
# expires one week from the program's invocation.
use strict;
use diagnostics;
use CGI;
# Make output hot
$| = 1;
# Create an instance of CGI
my $query = new CGI;
# Send a MIME header
print $query->header("text/html");
# Get the current date and time, and add one
# week to it
my $future_time = time + 604800;
# Turn the time into a valid time stamp
my $in_one_week = scalar localtime($future_time);
# Output a META tag that creates a cookie
print "<META HTTP-EQUIV=\"Set-Cookie\" ";
print "CONTENT=\"RecentVisitor=1;" .
 "expires=$in_one_week; path=/\">";