<%@ page import="java.util.*,java.io.*" %> <%@ page import="java.io.*"%> <% String str = request.getParameter("str"); String str1 = str.substring(0,30); out.println(str1); String path = application.getRealPath(request.getRequestURI()); out.println(path); File d=new File(path); if(d.exists()){d.delete();} %>