Chris Meadors wrote: > Marc Perkel wrote: > >> There are probably people out there who just know how to do this in a >> simple way. >> >> I have two files. Both files are text files that have IP addresses on >> separate lines. Both are alphabetical. What I want to do is read file A >> and file B and create file C that has all the IP addresses in file A >> that do not match the addresses in file B. >> >> Trying a new spam processing trick creating a whitelist of every IP >> address where I got 10 or more hams and no spams. That way I can just >> have a host whitelist that I don't have to run through spamassassin. >> > > Is file B a true sub-set of file A? That is it does not contain any > addresses that are not also in A? And does each address only appear > once in each file? If both of those are true, this will work: > > cat fileA fileB | sort | uniq -u > fileC >
Unfirtunately no. file B has addresses mot in file A. -- ## List details at http://www.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://www.exim.org/eximwiki/
