1PerlIO::encoding(3pm)  Perl Programmers Reference Guide  PerlIO::encoding(3pm)
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NAME

6       PerlIO::encoding - encoding layer
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SYNOPSIS

9         use PerlIO::encoding;
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11         open($f, "<:encoding(foo)", "infoo");
12         open($f, ">:encoding(bar)", "outbar");
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14         use Encode qw(:fallbacks);
15         $PerlIO::encoding::fallback = FB_PERLQQ;
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DESCRIPTION

18       This PerlIO layer opens a filehandle with a transparent encoding
19       filter.
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21       On input, it converts the bytes expected to be in the specified
22       character set and encoding to Perl string data (Unicode and Perl's
23       internal Unicode encoding, UTF-8).  On output, it converts Perl string
24       data into the specified character set and encoding.
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26       When the layer is pushed, the current value of
27       $PerlIO::encoding::fallback is saved and used as the CHECK argument
28       when calling the Encode methods encode() and decode().
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SEE ALSO

31       open, Encode, "binmode" in perlfunc, perluniintro
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35perl v5.32.1                      2021-05-31             PerlIO::encoding(3pm)