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Syntax:
LOF([#]filenumber)
Parameter:
filenumber
A numeric expression which returns a value from 1 to 16.
Description:
LOF
returns the length of a data file or communications device file specified by
filenumber
.
• Depending upon the file type, the content of the returned value differs as listed
below.
• If you specify the bar code device file, a run-time error will occur.
Run-time errors:
Reference:
Location Of File
File I/O function
LOF
Returns the length of a specified file.
File type
Returned value
Data file
Number of written records
Communications device file
Number of bytes of unoccupied area in the
receive buffer
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 bar code device file.)
3Ah
File number out of the range
Statements:
GET, INPUT, LINE
INPUT, OPEN,
and
OPEN
"COM:"
Functions:
EOF, INPUT$,
and
LOC
Содержание BHT-BASIC 100 SERIES
Страница 1: ......
Страница 161: ...153 Chapter 10 Sleep Function CONTENTS 10 1 Sleep Function 154...
Страница 163: ...155 Chapter 11 Resume Function CONTENTS 11 1 Resume Function 156...
Страница 173: ...165 Chapter 13 Backlight Function CONTENTS 13 1 Backlight Function 166...
Страница 192: ...Chapter 14 Statement Reference 184 Example OPEN master Dat AS 1 FIELD 1 20 AS bar 10 AS ky CLFILE 1 CLOSE 1...
Страница 249: ...241 Example CLOSE IF kyIn Y THEN KILL Master Dat END IF Reference Statements CLFILE...
Страница 349: ...341 Run time errors Error code Meaning 05h Parameter out of the range checktype is out of the range...
Страница 383: ...375 Run time errors Reference Error code Meaning 05h Parameter out of the range Functions LEFT LEN and RIGHT...