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PerlIO::reverse(3) User Contributed Perl Documentation PerlIO::reverse(3) NAME PerlIO::reverse - Reads lines backward SYNOPSIS open my $rev, '<:reverse', 'foo.txt'; print while <$rev>; # print contents reversely DESCRIPTION The ":reverse" layer reads lines backward like tac(1). EXAMPLE Here is a minimal implementation of tac(1). #!/usr/bin/perl -w # Usage: $0 files... use open IN => ':reverse'; print while <>; __END__ NOTE o This layer cannot deal with unseekable filehandles and layers: tty, ":gzip", ":dir", etc. o This layer is partly incompatible with Win32 system. You have to call binmode($fh) before pushing it dynamically. SEE ALSO PerlIO::Util. AUTHOR Goro Fuji (ex a3/4e) <gfuji (at) cpan.org> LICENSE AND COPYRIGHT Copyright (c) 2008, Goro Fuji <gfuji (at) cpan.org>. Some rights reserved. This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.32.1 2011-05-25 PerlIO::reverse(3)
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