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PerlIO::encoding

Perl 5 version 8.8 documentation
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PerlIO::encoding

NAME

PerlIO::encoding - encoding layer

SYNOPSIS

  1. open($f, "<:encoding(foo)", "infoo");
  2. open($f, ">:encoding(bar)", "outbar");
  3. use Encode qw(:fallbacks);
  4. $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 Encode methods encode() and decode().

SEE ALSO

open, Encode, binmode, perluniintro