Simple Perl script that helped me to quickly regression test ipset mark & markmask back when I developed it. See:
- [PATCH 0/1] add hash:ip,mark data type to ipset ( http://marc.info/?t=138728906600001 )
- [PATCH 1/1] add markmask for hash:ip,mark data type ( http://marc.info/?t=138728906600002 )