// Copyright © 2018 Inanc Gumus // Learn Go Programming Course // License: https://creativecommons.org/licenses/by-nc-sa/4.0/ // // For more tutorials : https://learngoprogramming.com // In-person training : https://www.linkedin.com/in/inancgumus/ // Follow me on twitter: https://twitter.com/inancgumus package main import ( "fmt" "os" "strings" ) func main() { books := [4]string{ "Kafka's Revenge", "Stay Golden", "Everythingship", "Kafka's Revenge 2nd Edition", } args := os.Args[1:] if len(args) != 1 { fmt.Println("Tell me a book title") return } query := strings.ToLower(args[0]) fmt.Println("Search Results:") var found bool for _, v := range books { if strings.Contains(strings.ToLower(v), query) { fmt.Println("+", v) found = true } } if !found { fmt.Printf("We don't have the book: %q\n", query) } }