CGI::Session states that you can use $session->header() as a shortcut to accomplish the following:

$cookie = new CGI::Cookie(-name=>'CGISESSID', -value=>$session->id);
print $cgi->header(-cookie=>$cookie);
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In the more verbose example, I could add expires => '+1M', if I wanted. But I can not find a way to accomplish setting a cookie expiration time with the short CGI::Session method above. I tried the following, which did not work:

$session->header(expires => '+1M')
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I've looked through the CGI::Session code and could not find anything that addresses this but it seems common enough that there has to be something simple that will allow me to use the shorter header() method while still applying an expiration period.

All of the comments in CGI::Session, CGI::Session::Tutorial and CGI::Session::Cookbook relating to expirations are dealing with an expiration flag in the DATA portion of the sessions table.