May I comment that in general you probably do not want to define your subs with parentheses after the sub-name as this is the syntax for using prototypes. Neither do you want to call your subs with a pre-pended &
. Not only is it old ("Perl 4") style, it has side-effects, such as disabling the prototype system.
A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James
My blog: Imperial Deltronics