HP PCL/PJL reference - Printer Job Language Technical Reference Manual

EN PJL Command Summary B-3
FSQUERY
@PJL FSQUERY NAME = "pathname" [<CR>]<LF>
FSQUERY Response
If pathname is a file:
@PJL FSQUERY NAME="pathname" TYPE=FILE
~SIZE=integer<CR><LF>
<FF>
If pathname is a directory:
@PJL FSQUERY NAME="pathname" TYPE=DIR<CR><LF>
<FF>
FSUPLOAD
@PJL FSUPLOAD NAME = "pathname" OFFSET=<number>
SIZE=<number>[<CR>]<LF>
FSUPLOAD Response
If the pathname is valid:
@PJL FSUPLOAD FORMAT:BINARY NAME = "pathname"
~OFFSET=<number> SIZE=<number><CR><LF>
<SIZE bytes of file data>
<FF>
INFO
@PJL INFO category [<CR>]<LF>
INFO Response
@PJL INFO category <CR><LF>
[1 or more lines printable characters or <WS>
followed by <CR><LF>]
<FF>
INITIALIZE
@PJL INITIALIZE [<CR>]<LF>