--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/build.gradle	Wed Jul 18 17:25:20 2018 +0900
@@ -0,0 +1,26 @@
+plugins {
+    id 'java'
+}
+
+group 'log_analyzer'
+version '1.0-SNAPSHOT'
+
+sourceCompatibility = 1.8
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testCompile group: 'junit', name: 'junit', version: '4.12'
+}
+
+compileJava {
+    options.compilerArgs << "-Werror"
+}
+
+jar {
+    manifest {
+        attributes "Main-Class": "com.google.anatofuz.LogAnalyzer"
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/settings.gradle	Wed Jul 18 17:25:20 2018 +0900
@@ -0,0 +1,2 @@
+rootProject.name = 'anatofuz'
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/src/main/java/com/google/anatofuz/LogAnalyzer.java	Wed Jul 18 17:25:20 2018 +0900
@@ -0,0 +1,55 @@
+package com.google.anatofuz;
+
+import java.io.File;
+import java.io.FileReader;
+import java.io.BufferedReader;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.*;
+import java.util.regex.Pattern;
+import java.util.regex.Matcher;
+
+public class LogAnalyzer {
+
+    public static void main(String args[]) {
+
+        File file = new File("/var/log/system.log");
+
+        if (args.length != 0) {
+            if (args[0].equals("-f")) {
+                file = new File(args[1]);
+            }
+        }
+
+        try {
+            FileReader filereader = new FileReader(file);
+            BufferedReader bufferedReader = new BufferedReader(filereader);
+
+            String line;
+            Map<String,Integer>  map = new HashMap<String,Integer>(0);
+            Pattern p = Pattern.compile("\\w+ \\d{0,2} (?:\\d{2}:?){3} (?:anatofuzMBP|anatofuz-15) ([\\w.]+)\\[\\d+\\]");
+
+
+            while ((line = bufferedReader.readLine()) != null) {
+                Matcher matcher = p.matcher(line);
+                if (matcher.find()) {
+                    map.merge(matcher.group(1),1,Integer::sum);
+                }
+            }
+
+            int sum = 0;
+
+            for (String key :map.keySet()){
+                sum += map.get(key);
+            }
+
+            System.out.println(sum);
+
+
+        } catch (FileNotFoundException ex){
+            System.out.println(ex);
+        } catch (IOException ex){
+            System.out.println(ex);
+        }
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/log_analyze.p6	Wed Jul 18 17:25:20 2018 +0900
@@ -0,0 +1,22 @@
+#!/usr/bin/env perl
+use v6;
+
+unit sub MAIN(:f($file) where { .IO.f } = '/var/log/system.log');
+
+my $user_name = /'anatofuzMBP'|'anatofuz-15'/;
+my $fh = open $file,:r;
+my %count =();
+
+for $fh.lines -> $line {
+     if ( $line ~~ /\w+ \s \d**0..3 \s [\d**2\:?]**3 \s $user_name \s (<[\w.]>+)\[\d+\]/) {
+         %count{$0}++;
+    }
+}
+$fh.close;
+my $sum = 0;
+
+for %count.keys -> $key {
+    $sum += %count{$key};
+}
+
+$sum.say;

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/log_analyze.pl	Wed Jul 18 17:25:20 2018 +0900
@@ -0,0 +1,29 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+
+my $file = "/var/log/system.log";
+
+if(@ARGV == 2){
+    if ( $ARGV[0] eq "-f"){
+        $file = $ARGV[1];
+    }
+}
+
+my $user_name = qr/anatofuzMBP|anatofuz-15/;
+open my $fh, "<",$file;
+my $count = {};
+
+while (my $line = <$fh>) {
+    if ( $line =~ /\w \d{0,2} (?:\d{2}:?){3} $user_name ([\w.]+)\[\d+\]/){
+        $count->{$1}++;
+    }
+}
+
+my $sum = 0;
+
+for my $key (keys %$count){
+    $sum += $count->{$key};
+}
+
+print "$sum\n";

--- /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