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Dir : ~/usr/share/perl5/vendor_perl/Term/Size/

View File Name : Any.pod

=head1 NAME

Term::Size::Any - Retrieve terminal size

=head1 SYNOPSIS

    # the traditional way
    use Term::Size::Any qw( chars pixels );

    ($columns, $rows) = chars *STDOUT{IO};
    ($x, $y) = pixels;

=head1 DESCRIPTION

This is a unified interface to retrieve terminal size.
It loads one module of a list of known alternatives,
each implementing some way to get the desired terminal
information. This loaded module will actually do the job
on behalf of C<Term::Size::Any>.

Thus, C<Term::Size::Any>
depends on the availability of one of these modules:

    Term::Size           (soon to be supported)
    Term::Size::Perl
    Term::Size::ReadKey  (soon to be supported)
    Term::Size::Win32

This release fallbacks to L<Term::Size::Win32> if
running in Windows 32 systems. For other platforms,
it uses the first of
L<Term::Size::Perl>, L<Term::Size> or L<Term::Size::ReadKey>
which loads successfully. (To be honest,
I disabled the fallback to Term::Size and Term::Size::ReadKey
which are buggy by now.)

=begin comment

HOW Term::Size MODULES WORK?

Term::Size - XS which does ioctl( IOCGWINSZ )
Term::Size::Perl - Perl which does ioctl( IOCGWINSZ ) - needs compiled probe at build time
Term::Size::ReadKey - uses Term::ReadKey
Term::Size::Win32 - uses Win32::Console

HISTORY

Tell the story.

=end comment

=head2 FUNCTIONS

The traditional interface is by importing functions
C<chars> and C<pixels> into the caller's space.

=over 4

=item B<chars>

    ($columns, $rows) = chars($h);
    $columns = chars($h);

C<chars> returns the terminal size in units of characters
corresponding to the given filehandle C<$h>.
If the argument is omitted, C<*STDIN{IO}> is used.
In scalar context, it returns the terminal width.

=item B<pixels>

    ($x, $y) = pixels($h);
    $x = pixels($h);

C<pixels> returns the terminal size in units of pixels
corresponding to the given filehandle C<$h>.
If the argument is omitted, C<*STDIN{IO}> is used.
In scalar context, it returns the terminal width.

Many systems with character-only terminals will return C<(0, 0)>.

=back

=head1 SEE ALSO

It all began with L<Term::Size> by Tim Goodwin. You may want to
have a look at:

    Term::Size
    Term::Size::Perl
    Term::Size::Win32
    Term::Size::ReadKey


=head1 BUGS

Please reports bugs via CPAN RT, via web
http://rt.cpan.org/NoAuth/Bugs.html?Dist=Term-Size-Any
or e-mail to bug-Term-Size-Any@rt.cpan.org.

=head1 AUTHOR

Adriano R. Ferreira, E<lt>ferreira@cpan.orgE<gt>

=head1 COPYRIGHT AND LICENSE

Copyright (C) 2008-2012 by Adriano R. Ferreira

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.

=cut