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How to pass JSP var to runtime exec?
<%@page import="java.io.*"%>
<%@page import="java.util.*"%>

<html>
<head>
    <title> Test</title>
<head/>

<body>
<%
String username, password;

if(request.getParameter("txtUserName") == null)
    username = "";
else
    username = request.getParameter("txtUserName");

if(request.getParameter("txtPassword") == null)
    password = "";
else
    password = request.getParameter("txtPassword");


Runtime r = Runtime.getRuntime();
Process p = null;
String s = null;
String cmd = "/tools/scripts/jspTest.sh";

p = r.exec(cmd + username + password);
InputStreamReader isr = new InputStreamReader(p.getInputStream());
BufferedReader br = new BufferedReader(isr);
String line = null;
while((line = br.readLine()) != null){
    out.println(line);
}

p.waitFor();
%>

cmd + username + password