FEXERR: Retrieving an Error Message

How to:

The FEXERR function retrieves an Information Builders error message. It is especially useful in a procedure using a command that suppresses the display of output messages.

An error message consists of up to four lines of text. The first line contains the message and the remaining three contain a detailed explanation, if one exists. FEXERR retrieves the first line of the error message.


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Syntax: How to Retrieve an Error Message
FEXERR(error, 'A72')

where:

error

Numeric

Is the error number, up to 5 digits long.

'A72'

Is the format of the output value enclosed in single quotation marks. The format is A72, the maximum length of an Information Builders error message.



Example: Retrieving an Error Message

FEXERR retrieves the error message whose number is contained in the &ERR variable, in this case 650. The result is returned to the variable &&MSGVAR and has the format A72.

-SET &ERR = 650;
-SET &&MSGVAR = FEXERR(&ERR, 'A72');
-TYPE &&MSGVAR

The output is:

(FOC650) THE DISK IS NOT ACCESSED

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