Lexmark T642 Technical Reference page 188

LREADFILE Command
Use this command to read data from a file on a storage device.
Syntax:
@PJL LREADFILE DEVICE = filedevice FILENAME = "fname"
[START = location] [LENGTH = bytecount][<CR>]<LF>
Response Syntax:
@PJL LREADFILE DEVICE = filedevice FILENAME = "fname"
START = location LENGTH = bytecount<CR><LF>
<requested data from the file>@PJL END DATA<CR><LF><FF>
Notes:
•
The file must be closed using the LCLOSEFILE command once all operations
are complete.
•
The command is ignored if the file doesn't exist on the device or has not
already been opened with LOPENFILE with an
•
If the START =
file) is assumed.
•
If a START location is provided but it is greater than the file size, the response
will contain no file data.
•
If the LENGTH parameter is omitted,
the entire file beginning at the START location.
•
If the LENGTH is greater than the file size on a LREADFILE command, it is
assumed to be the entire file beginning at the START location.
3-90
location
parameter is omitted, location
bytecount
PJL
accesstype RO RW
of , , or
0
(beginning of the
is assumed to be equal to
AP
.