For sure, Perl is not "Unix based". It may have taken some inspiration from tools and paradigms which can be found (also) in Unix, but we are long past that.
It just shows how relative all these lists are.
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