package task

import (
	"crypto/md5"
	"fmt"
	"io"
	"os"
)

func hashFile(path string) ([]byte, error) {
	file, err := os.Open(path)
	if err != nil {
		return nil, fmt.Errorf("Opening File: %w", err)
	}

	hash := md5.New()
	if _, err := io.Copy(hash, file); err != nil {
		return nil, fmt.Errorf("Reading File: %w", err)
	}
	return hash.Sum(nil), nil
}