Owner`s manual

88
KILL #
IFEOF (#)
KILL #5
KILL
Kills the BRD opened in logical number 5 by the XOPEN
#
statement.
Kills all files opened by
WOPEN, ROPEN or XOPEN.
IF EOF (#5) THEN If the file end occurs during execution of the INPUT #
700
statement relative to BSD, or during execution of the
INPUT
# ( ) statement relative to BRD, this is a branch
statement that commands to jump to the processing
routine in statement number
700.
5.1.5 Error Processing Statements
ON ERROR GO ON ERROR GOTO If an error occurs during program execution, this is a
TO 1000 sentence saying to jump to statement number 1000.
IF ERN IF ERN = 44 THEN If the error number is 44, this is a command to jump to
1050 statement number 1050.
IF ERL IF ERL = 350 THEN A command to jump to statement number 1090 if the
RESUME
1090 error statement number is 350.
IF (ERN = 53) * (ER A command to finish the program if the error number is
L = 700) THEN END 53 and the error statement number is 700.
650
RESUME
For the DISK BASIC, if an error occurs during the
program, the error number and error statement number
will be set, respectively, to variables ERN and ERL.
Transfers control once again to the command generating
the error.
700 RESUME Transfers control to the command following the command
~ NEXT generating the error.
750 RESUME 400 Transfers control to statement number 400.
800 RESUME 0 Transfers control to the program heading.