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

PerlIO::mmap(3p) Perl Programmers Reference Guide PerlIO::mmap(3p) #

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

NNAAMMEE #

 PerlIO::mmap - Memory mapped IO

SSYYNNOOPPSSIISS #

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

DDEESSCCRRIIPPTTIIOONN #

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

IIMMPPLLEEMMEENNTTAATTIIOONN NNOOTTEE #

 "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 v5.36.3 2023-02-15 PerlIO::mmap(3p)