node_monitor/g/tools.go

package g

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

func IsExist(fp string) bool {
	_, err := os.Stat(fp)
	return err == nil || os.IsExist(err)
}
func GetRoot() string {
	//return "D:\\gopath\\src\\github.com\\smartping\\smartping"
	dir, err := filepath.Abs(filepath.Dir(os.Args[0]))
	if err != nil {
		log.Fatal("Get Root Path Error:", err)
	}
	dirctory := strings.Replace(dir, "\\", "/", -1)
	runes := []rune(dirctory)
	l := 0 + strings.LastIndex(dirctory, "/")
	if l > len(runes) {
		l = len(runes)
	}
	return string(runes[0:l])
}