Processing an Image 

• reasonably simple:

$ ./process_images.pl
Retrieving messages from the queue...
...no messages at the present time

Retrieving messages from the queue...
...getting 'karaka.jpg'
(etc)
...generating 'm' (400) size
...generated (400, 300)
...putting 'm_karaka.jpg'
(etc)
...done

Retrieving messages from the queue...
...no messages at the present time

• cont...