unstack - Unstacking channels
The command unstack is an interface to the public Tcl API function TclUnstackChannel. It unstacks the topmost transformation from the specified channel if there is any.
Removes the topmost transformation from the specified channel. If the channel has no transformation associated with it it will be closed. In other words, in this situation the command is equivalent to close.
trf-intro
removal, transformation, unstacking
Copyright © 1996-2003, Andreas Kupries <andreas_kupries@users.sourceforge.net>