Written by the author of the program, this book is exactly what I expected, and more.
If you enjoy automating tasks and writing scripts, Expect is a great addition to your toolbox, and this book is a great companion and welcome addition to your reference shelf.
In performing many UNIX administration tasks, one which my current job allowed me the opportunity to automate is a means of maintaining passwords on many servers. In particular, we have a requirement to change root's password on some 1600+ servers monthly, as well as our own passwords on hundreds of servers. We have every flavor of UNIX and more variations of what to expect interacting with ssh, telnet, Sun, HP, Linux, AIX, NCR, and as many differences among the system prompts. After buying this book, I found much of my learning curve easier. The examples and the overview of Tcl are priceless.
The Expect man pages are good, but having this book handy, with the program author's colorful and descriptive explanations has been a great help in the above and other successful tools using Expect.
This may seem as much a rave of Expect as well as this book, but as a fan of both and a person who prefers a good reference manual, Exploring Expect earns my recommendation.
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