1PerlIO::mmap(3pm) Perl Programmers Reference Guide PerlIO::mmap(3pm)
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6 PerlIO::mmap - Memory mapped IO
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9 open my $fh, '<:mmap', $filename;
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12 This layer does "read" and "write" operations by mmap()ing the file if
13 possible, but falls back to the default behavior if not.
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16 "PerlIO::mmap" only exists to use XSLoader to load C code that provides
17 support for using memory mapped IO. One does not need to explicitly
18 "use PerlIO::mmap;".
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22perl v5.26.3 2018-03-01 PerlIO::mmap(3pm)