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




NAME

       PerlIO::mmap - Memory mapped IO


SYNOPSIS

        open my $fh, '<:mmap', $filename;


DESCRIPTION

       This layer does "read" and "write" operations by mmap()ing the file if
       possible, but falls back to the default behavior if not.


IMPLEMENTATION NOTE

       "PerlIO::mmap" only exists to use XSLoader to load C code that provides
       support for using memory mapped IO. One does not need to explicitly
       "use PerlIO::mmap;".



perl v5.24.0                      2016-03-01                 PerlIO::mmap(3pm)

perl 5.24 - Generated Sat Nov 19 07:52:04 CST 2016
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