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Copy pathexample.go
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Copy pathexample.go
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43 lines (31 loc) · 673 Bytes
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package main
import (
"bufio"
"fmt"
"io/ioutil"
"os"
)
func check(e error) {
if e != nil {
panic(e)
}
}
func main() {
d1 := []byte("hello\ngo\n")
err := ioutil.WriteFile("/tmp/dat1", d1, 0644)
check(err)
f, err := os.Create("/tmp/dat2")
check(err)
defer f.Close()
d2 := []byte{115, 111, 109, 101, 10}
n2, err := f.Write(d2)
check(err)
fmt.Printf("wrote %d bytes\n", n2)
n3, err := f.WriteString("writes\n")
fmt.Printf("wrote %d bytes\n", n3)
f.Sync()
w := bufio.NewWriter(f)
n4, err := w.WriteString("buffered\n")
fmt.Printf("wrote %d bytes\n", n4)
w.Flush()
}