Tcl/Tk - More on Expect

More on Expect - Tcl/Tk module T242

Expect has a number of advanced facilities like the ability to slow down its output to mimic a human operator more closely, and to be able to handle signals. This module covers these facilities and more.

This topic is presented on public course Tcl Basics

Examples from our training material

engineer	send_human in expect
immortal	Catching signals in expect
multisigs	Trapping multiple signals in Expect
pingabout	expect to run ping on a named host; able to switch host during run
rupple	Expect - run rup on a named host
sslo	Send slow example - expect
tcenhance	telnet wrapper using interact; provides filtering too
tctel	telnet wrapper using interact
typist	Second example of expect's "send_human" command

Specialist books

Opentalk forum discussions related to this topic

using interact
creating packages in Expect
accessing return value in expect
Web Front TCL Expect Telnet Backend
Exiting from interact Expect

Pictures

Network testing through Expectk

Background information

Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from http://www.training-notes.co.uk.

Topics covered in this module

Expecting from the user.
Using expect and send for user communication.
Waiting for the user or for a process.
More facilities.
Defining default expect patterns.
Humanesque input.
Sending Specials.
Signals.
Receiving signals.
Sending Signals.
Command line options.
Interact.
Filtering throughput.

Complete learning

If you are looking for a complete course and not just a information on a single subject, visit our Listing and schedule page.

Well House Consultants specialise in training courses in Tcl/Tk, Expect,Python, Perl, PHP, and MySQL. We run Private Courses throughout the UK (and beyond for longer courses), and Public Courses at our training centre in Melksham, Wiltshire, England. It's surprisingly cost effective to come on our public courses - even if you live in a different country or continent to us.

We have a technical library of over 600 books on the subjects on which we teach. These books are available for reference at our training centre. Also available is the Opentalk Forum for discussion of technical questions.