Casio Naurtech CETerm Ver.5.5 Scripting Guide Manual do Utilizador descarregar pdf (Página 102)

5.0 Scripting Techniques and Tips

This section describes ways that scripting can extend the capabilities of CETerm.

Tips for script development are also presented.

5.1 EXPECT AND EXPECTMONITOR FOR AUTOMATING TASKS

The “expect” script and “ExpectMonitor” class provide a general purpose

“prompt-and-response” tool. Using “expect” for automated login was described in

Section 2.6. Here we provide the complete listing of the scripts and discuss

other options for use.

5.1.1 Expect Script

The “expect” script illustrates a couple of powerful JavaScript constructs. Even

though the expect function has 4 defined arguments in the function declaration, it

is possible to pass an unlimited number of arguments. All arguments are

accessible through the special “arguments” variable. This script also shows the

object-oriented aspects of JavaScript by creating a new ExpectMonitor class.

/* expect */

// This script will "expect" a text prompt on the screen and

// respond with text or action.

// Syntax: expect( session, timeout,

// expectedText, response

// [,expectedText2, response2] )

// session is the session index

// timeout is the wait interval for each text in milliseconds

// expectedText can be a string or regular expression

// Response can be a text response or a function

function expect( session, timeout, expectedText, response )

{

// Build array from arguments

// This technique will accumulate any

// number of expect/response pairs

var TargetResponseArray = [];

for (var i=2; i < arguments.length; i++)

{

TargetResponseArray.push( arguments[i] );

}

// Create an ExpectMonitor class that manages the actions

var EM = new ExpectMonitor ( session, timeout,

TargetResponseArray );

// Set optional ExpectMonitor behaviors

//EM.silent = true;

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Casio Naurtech CETerm Ver.5.5 Scripting Guide Manual do Utilizador Página 102