find itself outputs the lines. System does not return them, it only returns the exit status. You can verify none of the lines is printed via print by wrapping the values in parentheses: 
    print "($file)\n";

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The zero will be the only parenthesized string.

لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re^3: Interacting with the shell ( backticks, system(), open -| ) by choroba
in thread Interacting with the shell ( backticks, system(), open -| ) by jktstance

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