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"IO::Callback" provides an easy way to produce a phoney read-only filehandle
that calls back to your own code when it needs data to satisfy a read. This
is useful if you want to use a library module that expects to read data from
a filehandle, but you want the data to come from some other source and you
don't want to read it all into memory and use IO::String.
use IO::Callback;
my $fh = IO::Callback->new('<', sub { ... ; return $data });
my $object = Some::Class->new_from_file($fh);
Similarly, IO::Callback allows you to wrap up a coderef as a write-only
filehandle, which you can pass to a library module that expects to write its
output to a filehandle.
my $fh = IO::Callback->new('>', sub { my $data = shift ; ... });
$object->dump_to_file($fh);
INSTALLATION
To install this module, run the following commands:
perl Build.PL
./Build
./Build test
./Build install
SUPPORT AND DOCUMENTATION
After installing, you can find documentation for this module with the
perldoc command.
perldoc IO::Callback
You can also look for information at:
RT, CPAN's request tracker
http://rt.cpan.org/NoAuth/Bugs.html?Dist=IO::Callback
AnnoCPAN, Annotated CPAN documentation
http://annocpan.org/dist/IO::Callback
CPAN Ratings
http://cpanratings.perl.org/d/IO::Callback
Search CPAN
http://search.cpan.org/dist/IO::Callback
COPYRIGHT AND LICENCE
Copyright 1998-2005 Gisle Aas.
Copyright 2009-2010 Dave Taylor.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
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