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Man Pages


Manual Reference Pages  -  IO::PAGER::UNBUFFERED (3)

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NAME

IO::Pager::Unbuffered - Pipe output to PAGER if destination is a TTY

CONTENTS

SYNOPSIS



  use IO::Pager::Unbuffered;
  {
    local $STDOUT = IO::Pager::Unbuffered::open *STDOUT;
    print <<"  HEREDOC" ;
    ...
    A bunch of text later
    HEREDOC
  }

  {
    # You can also use scalar filehandles...
    my $token = IO::Pager::Unbuffered::open($FH) or warn($!);
    print $FH "No globs or barewords for us thanks!\n";
  }

  {
    # ...or an object interface
    my $token = new IO::Pager::Unbuffered;

    $token->print("OO shiny...\n");
  }



DESCRIPTION

IO::Pager subclasses are designed to programmatically decide whether or not to pipe a filehandle’s output to a program specified in PAGER; determined and set by IO::Pager at runtime if not yet defined.

See IO::Pager for method details.

METHODS

All methods are inherited from IO::Pager; except for instantiation.

CAVEATS

You probably want to do something with SIGPIPE eg;



  eval {
    $SIG{PIPE} = sub { die };
    local $STDOUT = IO::Pager::open(*STDOUT);

    while (1) {
      # Do something
    }
  }

  # Do something else



SEE ALSO

IO::Pager, IO::Pager::Buffered, IO::Pager::Page,

AUTHOR

Jerrad Pierce <jpierce@cpan.org>

Florent Angly <florent.angly@gmail.com>

This module was inspired by Monte Mitzelfelt’s IO::Page 0.02

Significant proddage provided by Tye McQueen.

COPYRIGHT AND LICENSE

Copyright (C) 2003-2012 Jerrad Pierce
o Thou shalt not claim ownership of unmodified materials.
o Thou shalt not claim whole ownership of modified materials.
o Thou shalt grant the indemnity of the provider of materials.
o Thou shalt use and dispense freely without other restrictions.
Or, if you prefer:

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.0 or, at your option, any later version of Perl 5 you may have available.

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perl v5.20.3 IO::PAGER::UNBUFFERED (3) 2015-02-25

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