From the discussion
here it seems to be a problem in some sub-versions of Perl 5.20, but it should be corrected as from Perl 5.20.1-1. What Perl versions did you try to install?
CountZero
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
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