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Full Discussion: Perl open(CMD, "cmd |"); buffering problem..
Top Forums Shell Programming and Scripting Perl open(CMD, "cmd |"); buffering problem.. Post 302593563 by thegeek on Friday 27th of January 2012 10:01:18 AM
Old 01-27-2012
Are you sure the 3rd party application writes everything to STDOUT ? Bcoz, you are likely to miss the stuffs printed on STDERR ... But when you execute manually and see output you are likely to miss where it prints .. So try doing with redirection of error to different place & confirm !
 

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LEARN ABOUT DEBIAN

test::output::tie

Test::Output::Tie(3pm)					User Contributed Perl Documentation				    Test::Output::Tie(3pm)

NAME

       Test::Output::Tie - module used by Test::Output to tie STDERR and STDOUT

DESCRIPTION

       You are probably more interested in reading Test::Output.

       This module is used to tie STDOUT and STDERR in Test::Output.

   Methods
       TIEHANDLE
	   The constructor for the class.

       PRINT
	   This method is called each time STDERR or STDOUT are printed to.

       PRINTF
	   This method is called each time STDERR or STDOUT are printed to with "printf".

       FILENO
       BINMODE
       read
	   This function is used to return all output printed to STDOUT or STDERR.

AUTHOR

       Currently maintained by brian d foy, "bdfoy@cpan.org".

       Shawn Sorichetti, "<ssoriche@cpan.org>"

SOURCE AVAILABILITY

       This module is in Github:

	       http://github.com/briandfoy/test-output/tree/master

COPYRIGHT &; LICENSE
       Currently maintained by brian d foy, "bdfoy@cpan.org".

       Copyright 2005-2008 Shawn Sorichetti, All Rights Reserved.

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

ACKNOWLEDGMENTS

       This code was taken from Test::Simple's TieOut.pm maintained Michael G Schwern. TieOut.pm was originally written by chromatic.

       Thanks for the idea and use of the code.

perl v5.10.1							    2011-04-22						    Test::Output::Tie(3pm)
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