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Church Of The
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Index | Description | Usage | Options | Variables | Hints | Bulletproof

Advanced Programming in Expect:
A Bulletproof Interface

Setting Up The Interface:

The procedures provided in this article are:

The interface is initialized with the send_expect_init procedure, which sets up all the globals required by the other procedures.  See the section on controlling the behavior of the interface for an explanation of the parameters.  The send_expect_init procedure is run once, at the beginning of execution (before the interface is to be used).  It may be run a second time to restore settings, if necessary. 

The send_only procedure is a wrapper for the exp_send command, and is used by send_expect to transmit strings.  The only time this procedure is called directly is for strings that are not echoed, such as passwords, and multi-byte character constants, such as the telnet break character (control-]).

The send_expect procedure is the actual interface between the automated system and its remote processes, and is detailed in the next section.

Finally, the send_expect_report procedure is used at the end of execution to output the statistics of the interface for debugging.  This procedure may also be run during execution, if incremental reports are needed.


Setting Up The Interface
Using The send_expect Procedure
How It Works
Moving Window Snapshot Diagnostics
Controlling The Behavior Of The Interface


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