///////    TestLines.java    ///////
import java.io.*;

class TestLines
{ public static void main(String[] args)
                throws IOException
  {  if (args.length > 2 || args.length < 1 )
     {    System.err.println("Usage: TestLines [ key ] file");
          System.exit(1);
     }
     int keypos=0;
     if (args.length == 2)
     {    keypos=Integer.valueOf(args[0]).intValue();
          args[0] = args[1];
     }
     FileInputStream myin = new FileInputStream(args[0]);
     OrderedLines txtobj = new OrderedLines(keypos);
     txtobj.input(myin);
     txtobj.display(System.out);

     System.out.println("Input search key:");
     BufferedReader in = new BufferedReader(
	    new InputStreamReader(System.in));
     String key = in.readLine();
     int i = txtobj.index(key);
     System.out.println("index for " +  key + " is " + i );
  }
}