package dir

import (
	"os"
//	"errors"
	"path/filepath"
	"strings"
)

func Exist(path string) bool {
	if _, err := os.Stat(path); os.IsNotExist(err) {
		return false
	}
	return true
}

func Sanitize(path string) (string, error) {
	switch path {
	case "-":
		path = os.Getenv("OLDPWD")
	case "":
		var err error // need to do this because the next line won't work using :=
		path, err = os.UserHomeDir()
		if err != nil {
			return "", err
		}
	}

	path = strings.TrimSpace(path)
	path, err := filepath.Abs(path)
	if err != nil {
		return "", err
	}
	return path, nil
}