Description of the provided commands

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This extension provides two new commands, transform and unstack.

::
Subcmd Description
transform
channel -command command

This command creates a new generic transformation channel and stacks it above the specified base <channel>. The given <command> is executed whenever something of importance happens on the channel, it has to implement the desired behaviour of the transformation.

For now see doc/manual for a complete description.

unstack
channel

This command provides a tcl-level interface to Tcl_UnstackChannel. If no transformation was stacked upon <channel> this is equivalent to close channel. Else it removes the topmost transformation from the stack.


© Andreas Kupries
Last update at Tue Sep 28 20:49:35 MEST 1999