Added soluiton for labelled statement.

Signed-off-by: mindy <[email protected]>

13-loops/exercises/09-word-finder-exercises/01-case-insensitive/main.go

@@ -8,6 +8,12 @@
 
 package main
 
+import (
+	"fmt"
+	"os"
+	"strings"
+)
+
 // ---------------------------------------------------------
 // EXERCISE: Case Insensitive Search
 //
@@ -24,5 +30,29 @@ package main
 //  the "lazy" keyword.
 // ---------------------------------------------------------
 
+const corpus = "lazy cat jumps again and again and again"
+
 func main() {
+	if len(os.Args) < 2 {
+		fmt.Println("It needs a keyword input.")
+		return
+	}
+	queries := os.Args[1:]
+
+scan:
+	for _, query := range queries {
+		query = strings.ToLower(query)
+	check:
+		for i, word := range strings.Fields(corpus) {
+			switch word {
+			case "and", "or", "the":
+				break check
+			}
+			if query == word {
+				fmt.Printf("#%-2d: %q\n", i+1, word)
+				continue scan
+			}
+		}
+	}
+
 }

13-loops/exercises/09-word-finder-exercises/02-path-searcher/main.go

@@ -8,6 +8,13 @@
 
 package main
 
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
 // ---------------------------------------------------------
 // EXERCISE: Path Searcher
 //
@@ -80,4 +87,24 @@ package main
 // ---------------------------------------------------------
 
 func main() {
+	corpus, okay := os.LookupEnv("Path")
+	if okay == false {
+		fmt.Println("No value set for Path or PATH.")
+		return
+	}
+
+	words := filepath.SplitList(corpus)
+
+	searches := os.Args[1:]
+
+	for _, search := range searches {
+		search = strings.ToLower(search)
+		for i, word := range words {
+			if strings.Contains(strings.ToLower(word), search) {
+				fmt.Printf("#%-2d: %q\n", i+1, word)
+			}
+		}
+
+	}
+
 }

13-loops/exercises/10-crunch-the-primes/main.go

@@ -8,6 +8,12 @@
 
 package main
 
+import (
+	"fmt"
+	"os"
+	"strconv"
+)
+
 // ---------------------------------------------------------
 // EXERCISE: Crunch the primes
 //
@@ -33,5 +39,41 @@ package main
 //    2 3 5 7
 // ---------------------------------------------------------
 
+func isprime(x int) bool {
+	switch x {
+	case 2, 3:
+		return true
+	}
+	if x%2 == 0 || x%3 == 0 {
+		return false
+	}
+	i := 5
+	w := 2
+
+	for i*i <= x {
+		if x%i == 0 {
+			return false
+		}
+
+		i += w
+		w = 6 - w
+	}
+	return true
+
+}
+
 func main() {
+	numbers := os.Args[1:]
+
+	for _, number := range numbers {
+		number, err := strconv.Atoi(number)
+		if err != nil {
+			continue
+		}
+		if isprime(number) {
+			fmt.Printf("%d ", number)
+		}
+	}
+	fmt.Println()
+
 }