Remote-processing CAMBASIC Manual do Utilizador descarregar pdf (Página 76)

Commands - 43

ERL

System Variable

SYNTAX: n = ERL

PURPOSE: To return the line number associated with an error.

REMARK S: The function returns the line number of the last error encountered by CAMBASIC.

RELATED: ERR, ON ERR, RESUME

EXAMPLE: 10 ON ERR GOTO 50 : 'enable error trapping

20 INPUT"Enter a number to divide by. (0 will cause error):”,A

30 B=10 / A

40 GOTO 20

50 PRINT"Error#" ; ERR” ; occurred on line#” ; ERL

60 ON ERR GOTO 50 : ‘re-enable error trapping

70 RESUME NEXT : ‘resume at next statement after error

ERROR: none

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Remote-processing CAMBASIC Manual do Utilizador Página 76