Initial commit.

.gitignore

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+sorted_*/

README.md

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+# File Sorter
+
+A small script to sort files into last modified year/month directories.

go-file-sort.go

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+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+)
+
+func main() {
+	// TODO: Replace with cli arg parsing.
+	// Directory to be sorted
+	media_dir := "media/"
+	// A destination directory of sorted files
+	sorted_media_dir := fmt.Sprintf("sorted_%s", media_dir)
+
+	// Get a list of the files in the directory to be sorted
+	files, err := os.ReadDir(media_dir)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Make the destination directory
+	err = os.Mkdir(sorted_media_dir, 0755)
+	if err != nil && !os.IsExist(err) {
+		log.Fatalf("Couldn't create sorted files directroy: %v", err)
+	}
+
+	// Iterate through the list of files
+	for _, file := range files {
+		// Don't try to sort directories
+		if file.IsDir() {
+			continue
+		}
+		// The name string of the file we're looking at
+		current_file_name := file.Name()
+
+		// Grab file info
+		current_file, err := os.Stat(fmt.Sprintf("%s%s", media_dir, current_file_name))
+		if err != nil {
+			log.Fatalf("Couldn't stat current file: %v", err)
+		}
+
+		// Save the last modified year and month
+		current_file_year := current_file.ModTime().Year()
+		current_file_month := current_file.ModTime().Month()
+
+		// Make directories for the sorted files to go into
+		err = os.Mkdir(fmt.Sprintf("%s%d", sorted_media_dir, current_file_year), 0755)
+		if err != nil && !os.IsExist(err) {
+			log.Fatalf("Couldn't create new directory: %v", err)
+		}
+
+		new_directory_path := fmt.Sprintf("%d/%02d/", current_file_year, current_file_month)
+		err = os.Mkdir(fmt.Sprintf("%s%s", sorted_media_dir, new_directory_path), 0755)
+		if err != nil && !os.IsExist(err) {
+			log.Fatalf("Couldn't create new directory: %v", err)
+		}
+
+		// Debug output of last modified year/month, and the file name
+		log.Default().Println(fmt.Sprintf("%d/%02d | %s", current_file_year, current_file_month, current_file_name))
+
+		// Set the current file path and the destination file path
+		full_current_file_path := fmt.Sprintf("%s%s", media_dir, current_file_name)
+		full_new_file_path := fmt.Sprintf("%s%s%s", sorted_media_dir, new_directory_path, current_file_name)
+
+		// Move the file
+		err = os.Rename(full_current_file_path, full_new_file_path)
+	}
+}

go.mod

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+module go-file-sort
+
+go 1.24.2