Test

src/Grep/GrepTest/test.rtf

-{\rtf1\ansi\ansicpg1252\cocoartf2638
-\cocoatextscaling0\cocoaplatform0{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
-{\colortbl;\red255\green255\blue255;}
-{\*\expandedcolortbl;;}
-\margl1440\margr1440\vieww11520\viewh8400\viewkind0
-\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
-
-Error: This is error 1 in log file
-
-Error: This is error 2 in log file
-
-Error: This is error 3 in log file
-}
\ No newline at end of file

src/Grep/GrepTest/test_1.rtf

-{\rtf1\ansi\ansicpg1252\cocoartf2638
-\cocoatextscaling0\cocoaplatform0{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
-{\colortbl;\red255\green255\blue255;}
-{\*\expandedcolortbl;;}
-\margl1440\margr1440\vieww11520\viewh8400\viewkind0
-\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
-
-\f0\fs24 \cf0 Error: This is an error for multi test case 1\
-}
\ No newline at end of file

src/Grep/GrepTest/test_2.rtf

-{\rtf1\ansi\ansicpg1252\cocoartf2638
-\cocoatextscaling0\cocoaplatform0{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
-{\colortbl;\red255\green255\blue255;}
-{\*\expandedcolortbl;;}
-\margl1440\margr1440\vieww11520\viewh8400\viewkind0
-\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
-
-\f0\fs24 \cf0 Error: This is a confirm for multi test case 2\
-!}
\ No newline at end of file

src/Grep/Logs/Output/match_all.txt

+vm1.log: 283553
+vm2.log: 267938
+vm3.log: 268804
+vm4.log: 270917
+vm5.log: 271205
+vm6.log: 268894
+vm7.log: 268084
+vm8.log: 274522
+vm9.log: 269822
+vm10.log: 265524
+Total number of matching lines: 2709263
\ No newline at end of file

src/Grep/Logs/Output/match_none.txt

+vm1.log: 0
+vm2.log: 0
+vm3.log: 0
+vm4.log: 0
+vm5.log: 0
+vm6.log: 0
+vm7.log: 0
+vm8.log: 0
+vm9.log: 0
+vm10.log: 0
+Total number of matching lines: 0
\ No newline at end of file

src/Grep/Logs/Output/match_one.txt

+vm1.log: 1
+vm2.log: 0
+vm3.log: 0
+vm4.log: 0
+vm5.log: 0
+vm6.log: 0
+vm7.log: 0
+vm8.log: 0
+vm9.log: 0
+vm10.log: 0
+Total number of matching lines: 1
\ No newline at end of file

src/Grep/Logs/Output/match_several.txt

+vm1.log: 84965
+vm2.log: 80130
+vm3.log: 80591
+vm4.log: 81191
+vm5.log: 81284
+vm6.log: 80448
+vm7.log: 80768
+vm8.log: 82096
+vm9.log: 80626
+vm10.log: 79214
+Total number of matching lines: 811313
\ No newline at end of file

src/Grep/Logs/Output/normal_case.txt

+vm1.log: 32473
+vm2.log: 21726
+vm3.log: 23171
+vm4.log: 24521
+vm5.log: 25238
+vm6.log: 22684
+vm7.log: 22013
+vm8.log: 27898
+vm9.log: 23753
+vm10.log: 19447
+Total number of matching lines: 242924
\ No newline at end of file

src/Grep/Logs/Output/rare_case.txt

+vm1.log: 2
+vm2.log: 1
+vm3.log: 1
+vm4.log: 2
+vm5.log: 0
+vm6.log: 0
+vm7.log: 1
+vm8.log: 1
+vm9.log: 0
+vm10.log: 0
+Total number of matching lines: 8
\ No newline at end of file

src/Grep/Grep.java → src/Grep/src/Grep.java

@@ -6,11 +6,12 @@ import java.util.List;
 
 public class Grep {
     List<String> cmd = new ArrayList<>();
-    public Grep(String input) {
-        String cmd = "grep --color=always -w \"" + input + "\" GrepTest/test.rtf";
+    public Grep(String input, String filePath) {
+        String cmd = "grep --color=always -c " + input + " " + filePath;
         this.cmd.add("/bin/sh");
         this.cmd.add("-c");
         this.cmd.add(cmd);
+
     }
 
     public List<String> run_cmd() throws IOException {
@@ -26,8 +27,9 @@ public class Grep {
         System.out.println("Start reading logs!");
 
         //Fix this to return count of line matches
+        int ans = 0;
         while ((line = input.readLine()) != null) {
-            System.out.println(line);
+//            System.out.println(line);
             res.add(line);
         }
 

src/Grep/main.java → src/Grep/src/main.java

+import java.io.BufferedWriter;
+import java.io.FileWriter;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
@@ -8,10 +10,33 @@ public class main {
         Scanner sc = new Scanner(System.in);
         System.out.println("Input regex matching for grep command: ");
         String input = sc.nextLine();
+        System.out.println("Input output file name: ");
+        String opt_filename = "Logs/Output/" + sc.nextLine();
         List<String> output = new ArrayList<>();
+        BufferedWriter bw = new BufferedWriter(new FileWriter(opt_filename));
+        int total = 0;
+
+        for (int i=1 ; i <= 10; i++) {
+            String filePath = "Logs/Input/vm" + i + ".log";
+            Grep grep = new Grep(input, filePath);
+            output = grep.run_cmd();
+            String res = "vm" + i + ".log: " + output.get(0) +"\n";
+            System.out.println(res);
+            bw.append(res);
+            total += Integer.parseInt(output.get(0));
+        }
+
+        bw.append("Total number of matching lines: " + total);
+        bw.close();
+
+        // none => /faux.*/i
+        // all => http
+        // several => delete
+        // one => 244.142.133.185
+        // frequent pattern => "Jan.[0-9]\+"
+        // rare pattern => 9.123.164
+
 
-        Grep grep = new Grep(input);
-        output = grep.run_cmd();
 
         //Fix this to return count of line mmatches
 //        for (int i=0; i<output.size(); i++) {