Source File: ex24f_root_fs/main.go

// NOTE: this requires Go 1.25 or later
package main

import (
    "os"
    "log"
)

func main() {
    root, err := os.OpenRoot("./")
    if err != nil { log.Fatal(err) }

    in_data, err := root.ReadFile("main.go")
    if err != nil { log.Fatal(err) }

    err = root.WriteFile("out.txt", in_data, 0644)
    if err != nil { log.Fatal(err) }
}