$ perl -MSpoo -e 0
Spoo BEGIN
Spoo CHECK
Spoo INIT
Spoo END
$ perl -e 'require Spoo'
Spoo BEGIN
Spoo END
$ cat Spoo.pm
package Spoo;

BEGIN { print "Spoo BEGIN\n"; }
END { print "Spoo END\n";  }
INIT { print "Spoo INIT\n"; }
CHECK { print "Spoo CHECK\n"; }

1;

__END__