// file utility area
//
// This part of the utility package is primarily for file or path checking.
package utility

import (
	_ "errors"
	"io/ioutil"
	"os"
	_ "path"
	_ "path/filepath"
	"strings"
)

// Check if this is a file
func IsFile(filePath string) (bool, error) {
	f, err := os.Stat(filePath)
	if err == nil {
		return !f.IsDir(), nil
	}
	if os.IsNotExist(err) {
		return false, nil
	}
	return false, err
}

// Check if this even exists
func IsExist(path string) (bool, error) {
	_, err := os.Stat(path)
	if err == nil || os.IsExist(err) {
		return true, nil
	}
	if os.IsNotExist(err) {
		return false, nil
	}
	return false, err
}

// Reads one-line text files (like for /sys or /proc) - Strips carriage returns
func Slurp(path string) string {
	data, err := ioutil.ReadFile(path)
	if err != nil {
		return ""
	}
	return strings.TrimSpace(string(data))
}

// todo: add string checking, we can't paste binary