In light of the consideration: "Is that a link to pirated content?"
The code (tetris.pl) is part of the content of the book Advanced Perl Programming (Chapter 15: GUI Example: Tetris).
O'Reilly freely provides example code from the book in both .tar.gz and .zip formats. This specific script is in examples/GUI/tetris.pl.
Be aware this book was published in 1997. While I couldn't find a reference to a specific Perl version used for the code examples, it must be earlier than Perl v5.5 which was released in 1998 (see perlhist).
-- Ken
In reply to Re^3: Most Used/Useful Math skills
by kcott
in thread Most Used/Useful Math skills
by carlriz
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