package fs

import (
	"io"
	"os"
)

// CopyFile
func CopyFile(src, dst string) error {
	in, err := os.Open(src)
	if err != nil {
		return err
	}
	defer in.Close()

	out, err := os.Create(dst)
	if err != nil {
		return err
	}
	defer out.Close()

	_, err = io.Copy(out, in)
	if err != nil {
		return err
	}

	return out.Close()
}

// FileSize
func FileSize(file string) int64 {
	fi, err := os.Stat(file)
	if err != nil {
		return 0
	}
	return fi.Size()
}