DouKaku?

// Run as *.js or *.hta //<script language="jscript">
with(new ActiveXObject("Scripting.FileSystemObject")) (function(fold, spec){
	for(var cf = new Enumerator(fold.SubFolders); !cf.atEnd(); cf.moveNext())
		arguments.callee(cf.item(), spec);
	try { DeleteFile(fold.Path +"\\"+ spec) } catch(e){}
})(GetFolder(
	this.WSH ? (WSH.Arguments.Length ? WSH.Arguments(0) : ".\\") : prompt("", ".\\")
	), "*~");
//</script>