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Creating a Flappy Bird Clone with Ruby — How has it been ten years since Flappy Bird was the hit game of the moment?

Ruby was conceived by a man who worked a lot in Perl and Unix. This is very much transparent from the language itself. If you are a Unix professional you will know at least half of of these names/symbols by heart:` `, $?, STDIN, STDOUT, STDERR, ${}, ARGV, $$ ... # shell-isms%Q, %q, %x, -e, -F, -wnlp, / /, $VAR, @VAR...