--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/log_analyze.rb	Wed Jul 18 17:25:20 2018 +0900
@@ -0,0 +1,23 @@
+#!/usr/bin/env ruby
+
+file = "/var/log/system.log"
+
+user_name = Regexp.new("anatofuzMBP|anatofuz-15")
+count = Hash.new(0)
+
+File.open(file,'r') do |f|
+    f.each_line do |line|
+        if line =~ /\w \d{0,2} (?:\d{2}:?){3} #{user_name} ([\w.]+)\[\d+\]/
+            count[$1] += 1
+        end
+    end
+end
+
+
+sum = 0
+
+for key in count.keys
+    sum += count[key]
+end
+
+p sum