# File lib/puppet/ssl/inventory.rb, line 43
43:   def serial(name)
44:     return nil unless FileTest.exist?(@path)
45: 
46:     File.readlines(@path).each do |line|
47:       next unless line =~ /^(\S+).+\/CN=#{name}$/
48: 
49:       return Integer($1)
50:     end
51:   end