function OnInit(data){
	data.name = "Command.Folder: RenameFolderAddCount";
	data.desc = "Add the number of files in a folder to its name.";
	data.copyright = "DOS - Directory Opus Society 2o14. o)";
	data.version = "0.1";
	data.default_enable = false;

	data.config["extensions"]		= "";
	data.config["extensions.info"]	= "Limit counting to filetypes by specifiying extensions like this: .mp2;.mp3;.ogg";
	data.config["pattern"]			= "* (%numfiles%)";
	data.config["pattern.info"]		= "A rename pattern including %numfiles%, like '* (%numfiles%)'.";
	data.config["deepness"]			= "-1";
	data.config["deepness.info"]	= "-1 disables deepness limitation, 2 means 2 subfolders deep e.g.";

	var cmd = data.AddCommand();
    cmd.name = "RenameFolderAddCount";
    cmd.method = "Command_RenameFolderAddCount";
    cmd.desc = data.desc;
    cmd.label = "RenameFolderAddCount";
	cmd.template = "EXTENSIONS/O/K,PATTERN/O/K,DEEPNESS/O/K";
}
///////////////////////////////////////////////////////////////////////////////
function Command_RenameFolderAddCount(data) {
	var folders = GetSelectedFolders(data);
	if (!folders) return false;

	//getting command script config defaults
	var pattern = Script.config.pattern;
	var extensions = Script.config.extensions;
	var deepness = Script.config.deepness;

	//testing, getting arguments
	if (data.func.args.got_arg.extensions)
		extensions = new String(data.func.args.extensions);
	if (extensions=="true") extensions=""; //some kind of fix
	if (data.func.args.got_arg.pattern)
		pattern = new String(data.func.args.pattern);
	if (pattern=="true") pattern="";
    if (data.func.args.got_arg.deepness)
		deepness = data.func.args.deepness;
	if (deepness=="true") deepness="";

	//DOpus.Output("extensions:"+extensions+"-");
	//DOpus.Output("pattern   :"+pattern+"-");
	//DOpus.Output("deepness  :"+deepness+"-");

	var exts = new Array();
	exts["general"] = new String(extensions).split(";");

	while (!folders.enumerator.atEnd() ) {
		var folder = folders.enumerator.item(); folders.enumerator.moveNext();
		var result = { files:{"general":new Array()} };
		Crawl(folder, exts, result, deepness*1);
		numFiles = result.files["general"].length;
		pattern=pattern.replace("%numfiles%",numFiles);
		var cmd = 'RENAME PATTERN=* FROM="'+folder.realpath+'" TO="'+pattern+'"';
		DOpus.NewCommand.RunCommand(cmd);
	}
    return true;
}
///////////////////////////////////////////////////////////////////////////////
function GetSelectedFolders(data){
	if (data.func.sourcetab.selected_dirs.count == 0) return null;
	var dirs = data.func.sourcetab.selected_dirs;
	return { enumerator:new Enumerator(dirs), count:dirs.count};
}
//////////////////////////////////////////////////////////////////////////////
function Crawl( path, extensions, result, deepness){
	if (deepness==undefined) var deepness=-1;
	if (deepness!==-1 && deepness>0) deepness--;
	//DOpus.Output("Crawling [" + path +"]..");
	var folderEnum = ReadFolder(path, false, true);
	if (!folderEnum) return;

	while(!folderEnum.Complete){
		var childItem = folderEnum.Next
		var ext = childItem.ext.toLowerCase();
		if (childItem.is_dir && (deepness===-1 || deepness>0)) {
			Crawl(childItem.realpath, extensions, result, deepness);
			continue;
		}
		for(var key in extensions)
			for(var i=0;i<extensions[key].length;i++)
				if (extensions[key][i]=="" || ext==extensions[key][i])
					result.files[key][result.files[key].length] = childItem;
	}
}
///////////////////////////////////////////////////////////////////////////////
function ReadFolder( path, recurse, exception){
	if (recurse == undefined) recurse=false;
	if (exception == undefined) exception=true;
	var fEnum = DOpus.FSUtil.ReadDir( path, recurse);
	if (fEnum.error==0 || fEnum.error==18 )// 18 = empty folder
		return fEnum;
	var error = "ReadFolder(): Error reading folder ["+path+"], code ["+fEnum.error+"].";
	DOpus.Output(error);
	if (exception) throw error;
	return null;
}