Lexmark T642 Technical Reference page 189

LWRITEFILE Command
Use this command to write data to a file on a storage device.
Syntax:
@PJL LWRITEFILE DEVICE = filedevice FILENAME = "fname"
[START = location] [LENGTH = bytecount][<CR>]<LF><data>
[@PJL END DATA][<CR>]<LF>
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. The command
is ignored if the file isn't already open with a write
•
location
If START =
is assumed.
•
location
If START =
positions the file pointer at the end of the file.
•
If the LENGTH is omitted from a LWRITEFILE command, an @PJL END
DATA must be placed at the end of the data. All data up to '@' in @PJL END
DATA is written to the file. The command requires either the LENGTH
parameter or the @PJL END DATA be specified, but not both.
LRUNFILE Command
Use this command to load and execute a file on a storage device. For example, use
this command to run the resident demo file or a demo file stored on flash or disk.
Syntax:
@PJL LRUNFILE DEVICE = filedevice FILENAME = "fname"[<CR>]<LF>
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