Avaya Writing Technician Interface Scripts Manuel d'utilisateur télécharger pdf (Page 26)

Writing Technician Interface Scripts

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Writing Messages to the Console

The Technician Interface provides two commands to display messages on the

console:

• Use the

echo command to display command line arguments to the user’s

terminal.

• Use the

printf command to convert, format, and print input arguments on the

Technician Interface’s console.

For details on each of these commands, see Chapter 2.

Saving Console Messages to a File

To save to a ﬁle all messages that are written to the console terminal, use the

record command.

The record ﬁle must be opened before recording, and the ﬁle must be closed when

recording is completed. The ﬁle will be lost if it is not closed before the ﬁle

system is unmounted or the router is reset.

For speciﬁc instructions on using the

record command, see Chapter 2.

Performing Error Recovery

To specify an error handler label within a script ﬁle, use the on error command. If

a command returns an error or if you attempt to abort the script ﬁle, the script

interpreter goes to the error handler label deﬁned in the ﬁle. If you press Ctrl-c to

abort the script, the Technician Interface displays the following prompt:

Terminate script file? (y/n):

You can use the on error command with the -s ﬂag to allow the script to recover

without returning an error message if the

on error command cannot locate a

speciﬁed script ﬁle. The following example shows the

on error command with the

-s ﬂag:

on error -s :ERROR_HANDLER:

For more information about the on error command, see Chapter 2 in this manual.

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Avaya Writing Technician Interface Scripts Manuel d'utilisateur Page 26