Let's parse Apache logs

Author: AbrahamAlgorithm

Diff for: 0x04-loops_conditions_and_parsing/0-RSA_public_key.pub

@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQDHojO4bcLLoBHHqixvz62qYnARgXJV7FOLMrRGAPbQG5+J2J3sgYKdvJBpefZPuX1nDUiYAr/tsDZqtUBiOeoyN53UynsRjFq7yzeNP83YDGVlSAmpXItXyU/pnt8Dh3rsn2XB9ftxoLIfoC/bd14V6/88YOVCpGvSjq9Ar8Wqlcw8flMbdrfgm/k0iJx3QBENegHoPfjl3bLTXvbt7WbxSHfLu7k4Vbo6Q2Ho13b6j59WCnJashs5xkJIl2/knorDQBAQzw62HQTUGJoWnN9XT6HZXRr6nrmwahjW3UikTZmIX5Raa6oGsWd/mYAXhyz+61ctUG5PCMrvI4C0H6zd9NrgfaJvdZudf2vmALryosPtfuY4La3Iv5iLq+u2wPWrLxsSRwHydOXWFUWPENH+ykCFqIthkIXrxFeulqdCSODdCTYqasXhVih8fCYrTjyVzaLhIwbOLSeVVwfqyrwdlCdLPC1RO9t40A8XCjzLkC3n3V0NVvsWIXWGbfC5WPk= root@0dbb6a60a695

Diff for: 0x04-loops_conditions_and_parsing/1-for_best_school

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+# This script is displaying "Best SChool" ten times
+for ((i=0; i<10; i++ ))
+do
+  echo "Best School";
+done

Diff for: 0x04-loops_conditions_and_parsing/10-fizzbuzz

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+# printing fizz buzz algorithm
+i=1
+while ((i<=100));
+do
+  if ((i%3==0 && i%5==0))
+  then
+    echo "FizzBuzz"
+  elif ((i%3==0))
+  then
+    echo "Fizz"
+  elif ((i%5==0))
+  then
+    echo "Buzz"
+  else
+    echo "$i"
+  fi
+  ((i++))
+done

Diff for: 0x04-loops_conditions_and_parsing/100-read_and_cut

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+# print username, userid, home directory
+while read -r passwd; do
+  echo "$passwd" | cut -d ':' -f1,3,6
+done < "/etc/passwd"

Diff for: 0x04-loops_conditions_and_parsing/102-lets_parse_apache_logs

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+# Parses Apache log files in list format.
+#   Displays the IP and HTTP status code.
+
+awk '{print $1 " " $9}' apache-access.log

Diff for: 0x04-loops_conditions_and_parsing/2-while_best_school

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+# print "Best school"ten times with while loop
+i=0
+while [ $i -lt 10 ] 
+do
+  echo "Best School";
+  ((i++))
+done

Diff for: 0x04-loops_conditions_and_parsing/3-until_best_school

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+# print "Best school"ten times with while loop
+i=0
+until [ $i -ge 10 ] 
+do
+  echo "Best School";
+  ((i++))
+done

Diff for: 0x04-loops_conditions_and_parsing/4-if_9_say_hi

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# print "Best school"ten times with while loop
+i=0
+while [ $i -lt 10 ] 
+do
+  echo "Best School";
+  if [ $i -eq 8 ]
+  then
+    echo "Hi";
+  fi
+  ((i++))
+done

Diff for: 0x04-loops_conditions_and_parsing/5-4_bad_luck_8_is_your_chance

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+# conditionals and loop
+i=0
+while ((i<10));
+do
+  if [ $i -eq 3 ]
+  then
+     echo "bad luck"
+  elif [ $i -eq 7 ]
+  then
+     echo "good luck"
+  else
+     echo "Best School"
+  fi
+  ((i++))
+done

Diff for: 0x04-loops_conditions_and_parsing/6-superstitious_numbers

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+# print fromone to 20 and some text
+i=1
+while [ $i -le 20 ]
+do
+  echo "$i"
+  case $i in
+    4) echo "bad luck from China";;
+    9) echo "bad luck from Japan";;
+    17) echo "bad luck from Italy";;
+  esac
+  ((i++))
+done

Diff for: 0x04-loops_conditions_and_parsing/7-clock

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# printing Hours and minutes
+i=0
+while [ $i -le 12 ]
+do
+  echo "Hour: $i"
+  j=1
+  while [ $j -le 59 ]
+  do
+    echo "$j"
+    ((j++))
+  done
+  ((i++))
+done

Diff for: 0x04-loops_conditions_and_parsing/8-for_ls

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+# print the element in the working directory
+list=$(ls)
+for element in $list;
+do
+  echo "$element" | cut -d '-' -f2
+done

Diff for: 0x04-loops_conditions_and_parsing/9-to_file_or_not_to_file

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+# working with file
+if [ -e "school" ]
+then
+  echo "school file exists"
+  if [ -s "school" ]
+  then
+    echo "school file is not empty"
+  else
+    echo "school file is empty"
+  fi
+  if [ -f "school" ]
+  then
+    echo "school is a regular file"
+  fi
+else
+  echo "school file does not exist"
+fi

Diff for: 0x04-loops_conditions_and_parsing/README.md

@@ -0,0 +1 @@
+Exploring Bash Scripting if, until, while, for loop and others