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limitsize(3tcl)


NAME

   tcl::transform::limitsize - limiting input

SYNOPSIS

   package require Tcl  8.6

   package require tcl::transform::core  ?1?

   package require tcl::transform::limitsize  ?1?

   ::tcl::transform::limitsize chan max

______________________________________________________________________________

DESCRIPTION

   The  tcl::transform::limitsize  package  provides  a command creating a
   channel transformation which limits the number of characters which  can
   be read from the channel. A generator for an artificial EOF.

   The  internal  TclOO class implementing the transform handler is a sub-
   class of the tcl::transform::core framework.

API

   ::tcl::transform::limitsize chan max
          This command creates a size limiting transformation  on  top  of
          the channel chan and returns its handle.

          max  is  the  number of bytes which can be read from the channel
          before EOF is signaled by the transformation. Note that  popping
          the transformation clears the EOF it generated as well.

BUGS, IDEAS, FEEDBACK

   This  document,  and the package it describes, will undoubtedly contain
   bugs  and  other  problems.   Please  report  such  in   the   category
   virtchannel           of          the          Tcllib          Trackers
   [http://core.tcl.tk/tcllib/reportlist].  Please also report  any  ideas
   for enhancements you may have for either package and/or documentation.

KEYWORDS

   channel  transformation,  limitsize, reflected channel, size limit, tip
   230, transformation, virtual channel

CATEGORY

   Channels

COPYRIGHT

   Copyright (c) 2009 Andreas Kupries <andreas_kupries@users.sourceforge.net>



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