I have many old log files (apache) and they span 3 different VPS servers I\'ve had so there are different sets with the same name:
old vps 1 (jan. 2012 - mar. 2012) -> a
In Windows, I had to use the following entry: (added "PERL", path to my install folder, and inclue *.log before the pipe)
LogFile="PERL C:/AWSTATS/tools/logresolvemerge.pl C:/AWSTATS/wwwroot/cgi-bin/stats/logFiles/*.log |"