NAME¶
tcl::chan::nullzero - Null/Zero channel combination
SYNOPSIS¶
package require
Tcl 8.5
package require
TclOO
package require
tcl::chan::events ?1?
package require
tcl::chan::nullzero ?1?
::tcl::chan::nullzero
DESCRIPTION¶
The
tcl::chan::nullzero package provides a command creating channels,
which are a combination of null and zero devices. They immediately forget
whatever is written to them, and on reading return an infinite stream of null
characters.
Packages related to this are
tcl::chan::null and
tcl::chan::zero.
The internal
TclOO class implementing the channel handler is a sub-class
of the
tcl::chan::events framework.
API¶
- ::tcl::chan::nullzero
- This command creates a new nullzero channel and returns its handle.
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¶
/dev/null, /dev/zero, null, reflected channel, tip 219, virtual channel, zero
CATEGORY¶
Channels
COPYRIGHT¶
Copyright (c) 2009 Andreas Kupries <andreas_kupries@users.sourceforge.net>