
GeoBASIC Reference Manual
2.GeoBasic Constructs
2-60 TPS1100-Version
1.30
RC_FIL_FAT_ERROR
fatal error in accessing the file
allocation table
RC_FIL_NO_
STORAGE_MEDIUM_
IN_DEVICE
No memory card inserted or it has
been removed and put in again.
Further file operations are not save.
file errors
BAS_FIL_ILL_OPER
illegal file operation, hence using it
on a file which has not been opened
in
OutBin
or
UpdateBin
mode.
RC_FIL_INVALID_
FILE_DESCR
illegal file descriptor used
RC_FIL_NO_MORE_
ROOM_ON_MEDIUM
memory device is full
Example
see Get-values example
2.12.9 Tell
Description
Delivers the current position of the file pointer.
Declaration
Tell( byVal FileId AS FileId,
iPos
AS Integer )
Remarks
The procedure returns the current byte position of the file pointer
which has been set by the last read or write operation.
iPos
will
get 1 for the first byte.
Note
Other than read and write operations
Tell
do not set the
file pointer. Hence after opening a file in
APPEND
mode
Tell
will yield into 1, since the file pointer has not been
set so far.
Parameters
FileId
in
Unique file-id returned by
Open.
iPos
out
The current byte file position.
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