Hi all. im trying to sed the pri.* and modify the serial to tha todays date, but got problem. Im trying to build a hot backup server from the master box, that sync everything once a 10min and update DB, and other filer whit the correct server information. Almost done got some minor problems =) i whant to modify the serial: $TTL 86400 @ IN SOA dns.sdomain.se. admin.domain.se. ( 2010120503 ; serial, todays date + todays serial # 28800 ; refresh, seconds 7200 ; retry, seconds 604800 ; expire, seconds 86400 ) ; minimum, seconds i use the search and replace in sed, but i cant get it to work whit %G%m%d01 todays date. Maybe someone can help me whit that plz? best regards Marcus