update: lucky number game and its exercises

13-loops/exercises/03-word-finder-exercises/02-path-searcher/solution/main.go

@@ -10,26 +10,38 @@ package main
 import (
 	"fmt"
 	"os"
+	"path/filepath"
 	"strings"
 )
 
+const notFound = -1
+
 func main() {
-	// get and split the PATH environment variable
-	// this only works for the unix-based systems
-	words := strings.Split(os.Getenv("PATH"), ":")
+	// Get and split the PATH environment variable
+
+	// SplitList function automatically finds the
+	// separator for the path env variable
+	words := filepath.SplitList(os.Getenv("PATH"))
+
+	// Alternative way, but above one is better:
+	// words := strings.Split(
+	// 	os.Getenv("PATH"),
+	// 	string(os.PathListSeparator))
+
 	query := os.Args[1:]
-queries:
+
 	for _, q := range query {
 	search:
 		for i, w := range words {
+			q, w = strings.ToLower(q), strings.ToLower(w)
+
 			switch q {
 			case "and", "or", "the":
 				break search
 			}
 
-			if q == w {
+			if strings.Index(w, q) != notFound {
 				fmt.Printf("#%-2d: %q\n", i+1, w)
-				continue queries
 			}
 		}
 	}