File
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package main
import (
"fmt"
"os"
)
func main() {
f, err := os.Create("test.txt")
defer f.Close()
if err != nil {
fmt.Println(err)
}
l, err := f.WriteString("apple")
if err != nil {
fmt.Println(err)
}
fmt.Println("How many bytes write to file: ", l)
}Append 檔案
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