1
Files
ff_renamer/main.go
2024-05-15 03:12:36 +03:00

107 lines
1.8 KiB
Go

package main
import (
"fmt"
"os"
"path/filepath"
"regexp"
"slices"
"strconv"
"strings"
)
type Pair struct {
originFull string
newName string
newFull string
skip bool
}
var (
exts = []string{
".jpg", ".jpeg", ".jfif",
".png", ".gif", ".webp",
".mp4", ".MP4", ".webm",
}
renameSlice []Pair
pattern, _ = regexp.Compile("^\\d+(-\\d)?$") // 123456789, 123456789-1
)
func generateName(baseName string) string {
counter := 1
name := baseName
loop:
for {
for _, pair := range renameSlice {
if pair.newName == name {
name = fmt.Sprintf("%s-%d", baseName, counter)
counter++
continue loop
}
}
break
}
return name
}
func main() {
entries, err := os.ReadDir(".")
if err != nil {
panic(err)
}
renameSlice = make([]Pair, 0)
for _, entry := range entries {
if entry.IsDir() {
continue
}
ext := filepath.Ext(entry.Name())
extL := strings.ToLower(ext)
if !slices.Contains(exts, extL) {
continue
}
if pattern.MatchString(strings.TrimSuffix(entry.Name(), ext)) {
renameSlice = append(renameSlice, Pair{
originFull: entry.Name(),
skip: true})
continue
}
info, err := entry.Info()
if err != nil {
panic(err)
}
newName := generateName(strconv.FormatInt(info.ModTime().Unix(), 10))
renameSlice = append(renameSlice, Pair{
originFull: entry.Name(),
newName: newName,
newFull: newName + extL})
}
counter := 0
for i, pair := range renameSlice {
if pair.skip || pair.originFull == pair.newFull {
continue
}
fmt.Printf("%d. %s --> %s\n", i+1, pair.originFull, pair.newFull)
err := os.Rename(pair.originFull, pair.newFull)
if err != nil {
panic(err)
}
counter++
}
fmt.Printf("Total: %d\n", len(renameSlice))
fmt.Printf("Renamed: %d\n", counter)
}