Hi, I'm new to Processing and have made a very small program but am unable to find what is wrong in this.

I actually have some random files kept  in my data folder C0.pts, C23.pts, C148.pts etc. (any number from 0 to 220 after C) which have some data. What my program does is try to open the files one by one on each key press, using my Polygon class.

Now, I know that not all numbers from 0 to 220 are there, so I wrote a try catch block so that whichever file name is not found, it goes in the catch block and continues. ( I know what I'm doing is a very crude way of doing it but that's all right :) )

But, it opens the file C0.pts successfully, and tries only upto C5.pts and then stops!! I don't know why should it stop trying before 220!!




Anyway, here's the program. I'm not supplying the class Polygon, you can replace that by any random file opening process. :-




//Code starts from here

boolean fileNotFound=false;
int i;
Polygon C;
boolean keyLocked=false;

void setup()
{
 size(800,800);
 size(800,800);
 size(800,800); //Problem where processing window is opened with the default 100,100 size.
 C=new Polygon();


}

void draw()
{

 if(keyPressed && !keyLocked)
 {
   keyLocked=true;
   fileNotFound=true;
   while(fileNotFound)
   {
     try
     {

       println(i);
       C.loadPts("C"+i+".pts");
       C.drawCurve();
       fileNotFound=false;
     }
     catch(Exception ex)
     {
       println("Exception");
       fileNotFound=true;      
     }

     i++;
     if(i>221) i=0;      
     println("Came here");

   }

 }

}

void keyReleased()
{
 keyLocked=false;//To take the key hit only once before releasing it
}






here is the output of the program:

<on one key hit>
0
Came here


<on 2nd key hit - exact copy paste from here including this message>

The file "C1.pts" is missing or inaccessible, make sure the URL is valid or that the file has been added to your sketch and is readable.

1
Exception
Came here
2
Exception
Came here
3
Exception
Came here
4
Exception
Came here
5

________________________________________
________________________________________

Now I don't understand, why does it stop after 5? It should continue upto file C23.pts!! (Also, it hangs after showing the above messages we can't close it by close button)
I tried if Processing take a cautionary 'stop' after a few try catches, but it is not the case with simple exceptions I threw. (It must not !)

I may be doing something very silly but I don't understand it so I thought may be it is something Processing specific.
Please help!

Hi,
I'm not using a Mac, it's a laptop running on Windows Vista.
To test this 'many exceptions' thing only, I tried another small program in which what all I do is throw exceptions in the draw() and catch them each time. It went quite well upto 2000 at least when I stopped it. (It looked good)

May be, it can catch multiple exceptions of simple type and not of the 'File not found' type? (which is bad !!). I mean, I know that my way of doing the job is not good, but what has processing to give and take with that? :-)

Anyway, I'll try listing all the files in the directory and then loop through them. In the mean time, this is something for you people to think upon.