NAME
      ProgressBar::Stack - Progress bar implementation with stack support and
      useful loop wrappers

DESCRIPTION
      "ProgressBar::Stack" creates a convenient framework for adding progress
      bars to long processes.  Sometimes you have long process which consists
      of several subprocesses, some of which have cycles (including nested
      ones), some called several times and so on. If you want to display con-
      tinuous progress bar from 0% to 100% for such complex process, you will
      have bad times calculating current percentage for each subprocess.
      "ProgressBar::Stack" does much of dirty work for you.

      There are two interfaces provided: one object-oriented, the other
      don't. Non-OO interface actually creates single object and delegates
      all calls to it. Practically using non-OO interface is enough in many
      cases, especially taking into account that different threads will have
      independent progress bars, but for some windowed applications several
      progress bars might be necessary.

COPYRIGHT
      Copyright (c) 2009-2010 Tagir Valeev <[email protected]>. All rights
      reserved.  This program is free software; you can redistribute it
      and/or modify it under the same terms as Perl itself.

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