Fills in "FirstName LastName" for users who don't have it set on /etc/passwd

add_usernames.pl

my ( $name, @u );
while ( @u = getpwent() ) {
  if ( $u[0] =~ /^\w+\.\w+$/ && $u[6] eq '' ) {
    ( $name = $u[0] ) =~ s/(\w+)\.(\w+)/ucfirst($1).' '.ucfirst($2)/e;
    system( '/usr/sbin/usermod', '-c', $name, $u[0] );
  }
}