l1.rb

#!/usr/bin ruby

r=Regexp.new('^(.{11})\s(\d\d:\d\d:\d\d)\s(\S+)\s(\w+\.\w+)\s(\w+):\s+(ACCEPT|REJECT|DROP)\s+(.*$)')

n1=0
n2=0
File.open('kern.log','r') do |aFile|
    aFile.readlines.each do |nextline|
        if nextline =~ r
            n1+=1
        else
            n2+=1
        end
    end
end
puts n1, n2