($username, $firstname, $lastname, $lastlogin, $tokenexpiration) = split(",", $line);

##</code><code>##

Alan,Bloggs,06/11/2009,11/30/2011

##</code><code>##

my ( $bs, $firstname_line_2, $lastname_line_2 ) = split (/,/,$line2);
if ( $lastname eq $lastname_line_2 && $firstname eq $firstname_line_2 ) {
...