package main

import (

"fmt"

"io/IoUtil"

"log"

"path/filepath"

"sort"

"strconv"

"strings"

)

func main() {

list := Namesort(parse("server"))

sort.Sort(list)

fmt.Println(list)

}

func parse(dirpath string) []string {

dirname := filepath.Base(dirpath)

var l []string

list, err := IoUtil.ReadDir(dirpath)

if err != nil {

log.Println(err)

return l

}

for _, v := range list {

if strings.Contains(v.Name(), dirname) {

if toint(v.Name()) == -1 {

continue

}

l = append(l, v.Name())

}

}

return l

}

type Namesort []string

func (self Namesort) Swap(i, j int) {

self[i], self[j] = self[j], self[i]

}

func (self Namesort) Len() int {

return len(self)

}

func (self Namesort) Less(i, j int) bool {

ai := toint(self[i])

aj := toint(self[j])

if ai != -1 && aj != -1 {

return ai < aj

}

return false

}

func toint(str string) int {

list := strings.Split(str, "_")

if len(list) <= 1 {

return -1

}

n := list[len(list)-1]

num, err := strconv.Atoi(n)

if err != nil {

return -1

}

return num

}