Specifications

183
Syntax:
CLFILE [#]filenumber
Parameter:
filenumber
A numeric expression which returns a value from 1 to 16.
Description:
CLFILE erases data in the data file specified by filenumber and resets the
number of written records in the directory to zero.
• The memory area freed by
CLFILE can be used for other data files or user pro-
gram files.
• User programs can no longer refer to the erased data.
•
CLFILE cannot erase data in files stored in drive B.
Syntax errors:
Run-time errors:
CLear FILE File I/O statement
CLFILE
Erases the data stored in a data file.
Error code and message Meaning
error 71: Syntax error filenumber is missing.
Error code Meaning
34h
Bad file name or number
(You specified
filenumber of an unopened file.)
36h
Improper file type
(You specified
filenumber of a file other than data files.)
3Ah
File number out of the range
43h
Not allowed to access data in drive B