For what it's worth, that file has a single LF as the end of line character. If you are running your script on Windows, it might get confused as Windows expect an empty line to be a single CR+LF combination.
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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Imperial Deltronics
