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PerlIO::encoding(3)


NAME

  PerlIO::encoding - encoding layer


SYNOPSIS

    open($f, "<:encoding(foo)", "infoo");
    open($f, ">:encoding(bar)", "outbar");

    use Encode qw(:fallbacks);
    $PerlIO::encoding::fallback = FB_PERLQQ;


DESCRIPTION

  Open a filehandle with a transparent encoding filter.

  On input, convert the bytes expected to be in the specified character set
  and encoding to Perl string data (Unicode and Perl's internal Unicode
  encoding, UTF-8).  On output, convert Perl string data into the specified
  character set and encoding.

  When the layer is pushed the current value of $PerlIO::encoding::fallback
  is saved and used as the check argument when calling the Encodings encode
  and decode.


SEE ALSO

  open, Encode, "binmode" in perlfunc, perluniintro

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