um filename conversion update

main.go

@@ -173,7 +173,7 @@ func main() {
 		applicationStartupPath, _ := Realpath(path.Dir(os.Args[0]))
 		for j := 0; j < len(folders); j++{
 			foldername := path.Base(folders[j])
-			if (foldername != applicationStartupPath){
+			if (foldername != applicationStartupPath && len(filepath.Base(foldername)) > 2){
 				//All subdirectories except the root
 				if (isHex(filepath.Base(foldername))){
 					//This folder use hex foldername. Convert it to UTF8 filename
@@ -190,10 +190,47 @@ func main() {
 	}else if (len(os.Args) == 2 && os.Args[1] == "help"){
 		//Show help message
 		fmt.Println("ArOZ Online UM File Naming Method Converter")
-		fmt.Println("Usage: \n ./fsconv		Convert all files under current directory and its sub-directories into UTF-8 file naming method.")
-		fmt.Println("./fsconv -um 	Convert all files under current directory and its sub-directories into UM File Naming Method representation.")
-		fmt.Println("./fsconv -i {filepath_to_be_conv_to_UTF8}")
-		fmt.Println("./fsconv -um {filepath_to_be_conv_to_UM-filenames")
+		fmt.Println("Usage: \n./fsconv						Convert all files under current directory and its sub-directories into UTF-8 file naming method.")
+		fmt.Println("./fsconv -um 						Convert all files under current directory and its sub-directories into UM File Naming Method representation.")
+		fmt.Println("./fsconv -i {filepath_to_be_conv_to_UTF8}		Convert the given filename to UTF8")
+		fmt.Println("./fsconv -um {filepath_to_be_conv_to_UM-filenames	Convert the given filename to UM-filename")
+	}else if (len(os.Args) == 2 && os.Args[1] == "-um"){
+		//Convert all files and folder into um filenaming methods
+		folders, files := scan_recursive(dir, []string{os.Args[0]})
+		for i := 0; i < len(files); i++ {
+			thisFilepath := strings.ReplaceAll(files[i], "\\", "/")
+			filename := path.Base(thisFilepath)
+			extension := filepath.Ext(filename)
+			name := filename[0 : len(filename)-len(extension)]
+			//Check if it has the inith prefix
+			if len(name) > 5 && name[0:5] != "inith"{
+				//This is not hex filename. Translate its name to um-filename method
+				umfilename := "inith" + bin2hex(name)
+				fmt.Println(filename + " -> " + umfilename + extension)
+				err := os.Rename(files[i], path.Dir(thisFilepath) + "/" + umfilename + extension)
+				if (err != nil){
+					panic(err)
+				}
+			}
+			
+		}
+		
+		//Sort the array of folders by string length, hence deeper folder will be renamed first
+		sort.Sort(ByLen(folders))
+		applicationStartupPath, _ := Realpath(path.Dir(os.Args[0]))
+		for j := 0; j < len(folders); j++{
+			foldername := path.Base(folders[j])
+			if (foldername != applicationStartupPath){
+				//All subdirectories except the root
+				if (!isHex(filepath.Base(foldername))){
+					//This folder do not hex foldername. Convert it to hex-foldername
+					convFoldername := bin2hex(filepath.Base(foldername));
+					fmt.Println(filepath.Base(foldername) + " -> " + string(convFoldername))
+					os.Rename(foldername,filepath.Dir(foldername) + "/" + string(convFoldername))
+				}
+			}
+			
+		}
 	} else {
 		//Given target directory
 	}