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

       PerlIO::encoding - encoding layer

	 use PerlIO::encoding;

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

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

       This PerlIO layer opens a filehandle with a transparent encoding filter.

       On input, it converts 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, it
       converts 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().

       open, Encode, "binmode" in perlfunc, perluniintro

perl v5.16.3				    2013-03-04			    PerlIO::encoding(3pm)
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