F$ERRNUM()

Description

F$ERRNUM() is used to return the number of the last EASI error that occurred.

Call Signature

int F$ERRNUM ( )

Return Value

int

A non-zero error code if an error has occurred since EASI began executing.

Example

The following example will loop requesting input and will handle exceptional circumstances by examining the value of F$ERRNUM and F$INPUT.

 local integer value
 main_loop: \
 while( 1 > 0 )
     input "Value > " value onerror goto error_handler
     print "You entered:",value
 endwhile

 error_handler: \
    if( F$INPUT = "bye" ) return
    value = 0
    print "Error number ",F$ERRNUM," has occurred on input:",F$INPUT
    goto main_loop

See also

GetLastErrorNumber()

GetLastErrorMessage()