For that to work right you have to indicate that the data you are printing is proper utf8 "characters". I suspect you are reading bytes, not "characters", and so are still printing bytes.

I get confuxed about all this too. But to take bytes and make them valid utf8 "characters", i do this (i think)

  use Encode;
  $contentutf8= Encode::decode_utf8($content);
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It would help if you showed us how you are getting the data you are printing, and an example of the bytes in question.