David Golden > Tee-0.13 > Tee

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Module Version: 0.13   Source   Latest Release: Tee-0.13_51

NAME ^

Tee - Pure Perl emulation of GNU tee

VERSION ^

This documentation refers to version 0.13

SYNOPSIS ^

  # from Perl
  use Tee;
  tee( $command, @files );
 
  # from the command line
  $ cat README.txt | ptee COPY.txt

DESCRIPTION ^

The Tee distribution provides the ptee program, a pure Perl emulation of the standard GNU tool tee. It is designed to be a platform-independent replacement for operating systems without a native tee program. As with tee, it passes input received on STDIN through to STDOUT while also writing a copy of the input to one or more files. By default, files will be overwritten.

Unlike tee, ptee does not support ignoring interrupts, as signal handling is not sufficiently portable.

The Tee module provides a convenience function that may be used in place of system() to redirect commands through ptee.

USAGE ^

tee()

   tee( $command, @filenames );
   tee( $command, \%options, @filenames );

Executes the given command via system(), but pipes it through ptee to copy output to the list of files. Unlike with system(), the command must be a string as the command shell is used for redirection and piping. The return value of system() is passed through, but reflects the success of the ptee command, which isn't very useful.

The second argument may be a hash-reference of options. Recognized options include:

LIMITATIONS ^

Because of the way that Tee uses pipes, it is limited to capturing a single input stream, either STDOUT alone or both STDOUT and STDERR combined. A good, portable alternative for capturing these streams from a command separately is IPC::Run3, though it does not allow passing it through to a terminal at the same time.

SEE ALSO ^

BUGS ^

Please report any bugs or feature using the CPAN Request Tracker. Bugs can be submitted by email to bug-Tee@rt.cpan.org or through the web interface at http://rt.cpan.org/Public/Dist/Display.html?Name=Tee

When submitting a bug or request, please include a test-file or a patch to an existing test-file that illustrates the bug or desired feature.

AUTHOR ^

David A. Golden (DAGOLDEN)

dagolden@cpan.org

http://www.dagolden.org/

COPYRIGHT AND LICENSE ^

Copyright (c) 2006 by David A. Golden

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

The full text of the license can be found in the LICENSE file included with this module.

DISCLAIMER OF WARRANTY ^

BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR, OR CORRECTION.

IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

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