_ _ _ _ _ _ _ _ _ _ _ _ _
/* This bit of chicanery makes a unary function followed by a parenthesis into a function with one argument, highest precedence. */ -Larry Wall in toke.c from the perl source code
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^___^
(ooo)\_______
(___)\ )\/\
||----w |
|| ||
tr A-Z a-z < nome_do_ficheiro.txt