Thanks! yes, this goes to show the perils of coding after a 12h work day on Friday :-). This affected the use of fgets() I/O (I understood you have to call the

Thanks! yes, this goes to show the perils of coding after a 12h work day on Friday :-). This affected the use of fgets() I/O (I understood you have to call the line-buffered routines based on their description) Enjoyed reading your code. Beautiful. Thanks!