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