update: log parser dir to input scanning

23-input-scanning/exercises/02-unique-words/main.go

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+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+package main
+
+// ---------------------------------------------------------
+// EXERCISE: Unique Words
+//
+//  Create a program that counts the unique words from an
+//  input stream.
+//
+//  1. Feed the shakespeare.txt to your program.
+//
+//  2. Scan the input using a new Scanner.
+//
+//  3. Configure the scanner to scan for the words.
+//
+//  4. Count the unique words using a map.
+//
+// EXPECTED OUTPUT
+//  There are 99 words, 70 of them are unique.
+// ---------------------------------------------------------
+
+func main() {
+}

23-input-scanning/exercises/02-unique-words/shakespeare.txt

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+come night come romeo come thou day in night
+for thou wilt lie upon the wings of night
+whiter than new snow on a raven's back
+come gentle night come loving black-browed night
+give me my romeo and when he shall die
+take him and cut him out in little stars
+and he will make the face of heaven so fine
+that all the world will be in love with night
+and pay no worship to the garish sun
+oh i have bought the mansion of love
+but not possessed it and though i am sold
+not yet enjoyed

23-input-scanning/exercises/02-unique-words/solution/main.go

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+package main
+
+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+)
+
+func main() {
+	in := bufio.NewScanner(os.Stdin)
+	in.Split(bufio.ScanWords)
+
+	total, words := 0, make(map[string]int)
+	for in.Scan() {
+		total++
+		words[in.Text()]++
+	}
+	fmt.Printf("There are %d words, %d of them are unique.\n",
+		total, len(words))
+}

23-input-scanning/exercises/02-unique-words/solution/shakespeare.txt

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+come night come romeo come thou day in night
+for thou wilt lie upon the wings of night
+whiter than new snow on a raven's back
+come gentle night come loving black-browed night
+give me my romeo and when he shall die
+take him and cut him out in little stars
+and he will make the face of heaven so fine
+that all the world will be in love with night
+and pay no worship to the garish sun
+oh i have bought the mansion of love
+but not possessed it and though i am sold
+not yet enjoyed