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6 Commits
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f3837cbf23
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bb61c0c727
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0d82e0d6a1
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951dff84fa
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4b5c4a577a
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87188deda5
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15
README.md
Normal file
15
README.md
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@@ -0,0 +1,15 @@
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# filemover
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Следит за директорией.
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Перемещает новые файлы в другую директорию,
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переименовывет файлы в формат 000123.ext
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Использование:
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```sh
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filemover <watch_dir> <dest_dir>
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```
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Я написал эту небольшую программу, когда мне нужно было сканировать
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много старых фотографий и документов, чтобы не следить за правильными
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именами файлов.
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5
go.mod
5
go.mod
@@ -4,4 +4,7 @@ go 1.24.3
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require github.com/fsnotify/fsnotify v1.9.0
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require golang.org/x/sys v0.13.0 // indirect
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require (
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github.com/adrg/xdg v0.5.3
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golang.org/x/sys v0.26.0 // indirect
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)
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14
go.sum
14
go.sum
@@ -1,4 +1,14 @@
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github.com/adrg/xdg v0.5.3 h1:xRnxJXne7+oWDatRhR1JLnvuccuIeCoBu2rtuLqQB78=
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github.com/adrg/xdg v0.5.3/go.mod h1:nlTsY+NNiCBGCK2tpm09vRqfVzrc2fLmXGpBLF0zlTQ=
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
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github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
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golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
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golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
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github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
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golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
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golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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96
main.go
96
main.go
@@ -2,7 +2,9 @@ package main
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import (
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"context"
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"errors"
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"fmt"
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"io/fs"
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"log"
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"os"
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"os/signal"
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@@ -12,15 +14,39 @@ import (
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"syscall"
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"time"
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"github.com/adrg/xdg"
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"github.com/fsnotify/fsnotify"
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)
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const fileQueueLen = 100
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const fileProcessingDelay = 500 * time.Millisecond
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const moveAttempts = 100
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func main() {
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watchDir := "/home/av/temp/inbox"
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destDir := "/home/av/temp/dest"
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os.MkdirAll(destDir, 0755)
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// Проверка аргументов командной строки
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if len(os.Args) < 3 {
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log.Fatalf("Usage: %s <watch_dir> <dest_dir>", os.Args[0])
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}
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watchDir := os.Args[1]
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destDir := os.Args[2]
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// Проверка существования watchDir
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if _, err := os.Stat(watchDir); os.IsNotExist(err) {
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log.Fatalf("Watch directory does not exist: %s", watchDir)
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} else if err != nil {
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log.Fatalf("Error accessing watch directory: %v", err)
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}
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// Создание destDir если не существует
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if err := os.MkdirAll(destDir, 0755); err != nil {
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log.Fatalf("Failed to create destination directory: %v", err)
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}
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counterFile, err := xdg.DataFile("filemover/counter")
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if err != nil {
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log.Fatalf("Application data dir not accessible, %v", err)
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}
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// Контекст для graceful shutdown
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ctx, cancel := context.WithCancel(context.Background())
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@@ -36,20 +62,20 @@ func main() {
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// Запуск единственного обработчика
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go func() {
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defer wg.Done()
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counter := loadCounter(destDir)
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counter := loadCounter(counterFile)
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for {
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select {
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case file, ok := <-tasks:
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if !ok {
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// Канал закрыт, завершаем работу
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saveCounter(destDir, counter)
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saveCounter(counterFile, counter)
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log.Println("Worker stopped")
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return
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}
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processFile(file, destDir, &counter)
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processFile(file, destDir, counterFile, &counter)
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case <-ctx.Done():
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// Получен сигнал завершения
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saveCounter(destDir, counter)
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saveCounter(counterFile, counter)
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log.Println("Worker stopped by context")
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return
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}
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@@ -117,7 +143,7 @@ mainLoop:
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log.Println("Shutdown complete")
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}
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func processFile(filePath, destDir string, counter *int) {
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func processFile(filePath, destDir, counterPath string, counter *int) {
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// Проверка что это файл
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info, err := os.Stat(filePath)
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if err != nil {
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@@ -129,24 +155,47 @@ func processFile(filePath, destDir string, counter *int) {
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}
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// Ожидание завершения записи
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time.Sleep(500 * time.Millisecond)
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time.Sleep(fileProcessingDelay)
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// Копирование
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newName := fmt.Sprintf("%03d", *counter)
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destPath := filepath.Join(destDir, newName)
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if err := os.Rename(filePath, destPath); err != nil {
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log.Printf("Moving failed: %v", err)
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return
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attempt := 0
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for {
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if attempt >= moveAttempts {
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log.Printf("Moving failed after %d attempts, see messages", attempt)
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break
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}
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*counter++
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saveCounter(counterPath, *counter)
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newName := fmt.Sprintf("%05d%s", *counter, filepath.Ext(filePath))
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destPath := filepath.Join(destDir, newName)
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_, err := os.Stat(destPath)
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if err == nil {
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log.Printf("Moving failed, file already exists: %s", destPath)
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attempt++
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continue
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}
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if !errors.Is(err, fs.ErrNotExist) {
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log.Printf("Moving failed: %v", err)
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attempt++
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continue
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}
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if err := os.Rename(filePath, destPath); err != nil {
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log.Printf("Moving failed: %v", err)
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attempt++
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continue
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}
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log.Printf("Moved: %s -> %s", filePath, destPath)
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break
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}
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// Обновление счетчика
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*counter++
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saveCounter(destDir, *counter)
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log.Printf("Moved: %s -> %s", filePath, destPath)
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}
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func loadCounter(dir string) int {
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counterPath := filepath.Join(dir, "counter.txt")
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func loadCounter(counterPath string) int {
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data, err := os.ReadFile(counterPath)
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if err != nil {
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if !os.IsNotExist(err) {
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@@ -162,8 +211,7 @@ func loadCounter(dir string) int {
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return count
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}
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func saveCounter(dir string, count int) {
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counterPath := filepath.Join(dir, "counter.txt")
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func saveCounter(counterPath string, count int) {
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if err := os.WriteFile(counterPath, []byte(strconv.Itoa(count)), 0644); err != nil {
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log.Printf("Failed to save counter: %v", err)
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}
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