I don't know if I could ask questions to this mail address to all the porters. In Perl, mordule Lint.pm (B/Lint.pm), there is a subroutine called gimme. I really don't know 1. what gimme do? 2. what does OPf_WANT, OPf_WANT_LIST, OPf_*** ... these flagss mean? Hope I can get some good idea... Thanks a lot -- Seungho Han <leohan@ropas.snu.ac.kr>