예제로 살펴보는 Go : 파일 쓰기

예제로 살펴보는 Go : 파일 쓰기

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package main
import(
    "io/ioutil"
    "os"
    "fmt"
    "bufio"
)
func check(e error) {
    if e != nil {
        panic(e)
    }
}
func main() {
    d1 := []byte("hello\ngo\n")
    err := ioutil.WriteFile("/tmp/dat1.txt", d1, 0644)
    check(err)
    
    f, err := os.Create("/tmp/dat2.txt")
    check(err)
    
    d2 := []byte{115, 111, 109, 101, 10}
    n2,err := f.Write(d2)
    check(err)
    fmt.Printf("Wrote %d byte\n", n2)
    
    n3, err := f.WriteString("writes\n")
    fmt.Printf("Wrote %d bytes\n", n3)
    
 
 
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