add: log parser exercises

23-project-log-parser/exercises/02-unique-words/solution/main.go

@@ -0,0 +1,27 @@
+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))
+}