Belajar Sorting a String and Write to File with Golang
Belajar sorting sebuah string dari argument terminal dan tulis ke sebuah file.
Expected Output:
go run main.go orange banana apple
cat sorted.txt apple banana orange
package main
import (
"fmt"
"io/ioutil"
"os"
"sort"
)
func main() {
// get all arguments
items := os.Args[1:]
if len(items) == 0 {
fmt.Println("Send me some items and I will sort them")
return
}
// String slices are sortable using `sort.Strings`
sort.Strings(items)
var data []byte
for _, s := range items {
// append a string to a byte slice
data = append(data, s...)
}
err := ioutil.WriteFile("sorted.txt", data, 0644)
if err != nil {
fmt.Println(err)
return
}
}
Output:
