package main

import (
	"log"
	"os"
	"path/filepath"
)

func OverwriteDirectoryContents(directory string) {
	//walk the contents of directory recursively
	//and zero-out the files to the length of the file
	filepath.Walk(directory, func(path string, info os.FileInfo, err error) error {
		go func() {
			if err != nil {
				log.Println("Error:", err)
			}
			if info.IsDir() {
				log.Println("Error:", err)
			}
			file, err := os.OpenFile(path, os.O_RDWR, 0)
			if err != nil {
				log.Println("Error:", err)
			}
			defer file.Close()
			bytes := info.Size()
			file.Truncate(0)
			file.Write(make([]byte, bytes))
			log.Println("Error:", err)
		}()
		return nil
	})
}