removefile.go

package main

import (
	"fmt"
	"io/ioutil"
	"os"
	"path/filepath"
	"syscall"
)

func main() {
	fmt.Println("way")

	path := "foge/moge/rel.txt"

	if err := os.MkdirAll(filepath.Dir(path), 0644); err != nil {
		panic(err)
	}

	if err := ioutil.WriteFile(path, []byte("aaa"), 0644); err != nil {
		panic(err)
	}

	stat(path)

	if err := syscall.Chmod(path, 0x1); err != nil {
		panic(err)
	}

	if file, err := os.Open(path); err != nil {
		panic(err)
	} else {
		fmt.Println(file.Name())
		file.Close()
	}

	stat(path)

	fmt.Println("ddd")
	filepath.Walk("foge",
		func(path string, info os.FileInfo, err error) error {
			fmt.Println(path, info, err)
			return nil
		})
	fmt.Println("zzz")

	if err := os.RemoveAll("foge"); err != nil {
		if v, ok := err.(*os.PathError); ok {
			fmt.Println(v.Path)
		}
		fmt.Println(err.Error())
	}

	if err := syscall.Chmod(path, syscall.S_IWRITE); err != nil {
		panic(err)
	}

	fmt.Println("####")
}

func stat(path string) {
	if info, err := os.Lstat(path); err != nil {
		panic(err)
	} else {
		fmt.Println(info.Mode())
	}
}