LPT1 - Local Printing

LPT1 - Local Printing

[Stéfano Schotten]

Hi all;

I'm having a issue due printing in a LTSP terminal with DOSEMU.

I have some DOS-16 applications that print at LPT1 (and only LPT1).

I don't have at the client the lp, lpr, not even printcap.

I'm trying to redirect that right thru /dev/lp0, I already changed the 
$_printer_program to a shell script home-made, but I can't get the 
variables and data sending to redirect to device.

Like:
echo ASDF | lpr -> prints ASDF to printer in /etc/printcap

I made a program "print" that does that:
echo ASDF | print -> prints ASDF to printer /dev/lp0

How can I get the "echo ASDF" that DOSEMU sends?

Does someone can help me on that? I already tried to hack out the code 
but couldn't find the printers sessions.


Stefano

Re: LPT1 - Local Printing

[kemas henry]

Hi,

I also use ltsp 4.2 with dosemu and running DOS-16 application,
but I can print to lpt1.

All that I have to do is change 
 $_printer = lx300_ws001 (entry in /etc/printcap)
 $_printer_command = lpr -l
then try to print to lpt1, hopefully it will work for you



On Thu, 2006-12-28 at 21:21 -0200, Stéfano Schotten wrote:
> Hi all;
> 
> I'm having a issue due printing in a LTSP terminal with DOSEMU.
> 
> I have some DOS-16 applications that print at LPT1 (and only LPT1).
> 
> I don't have at the client the lp, lpr, not even printcap.
> 
> I'm trying to redirect that right thru /dev/lp0, I already changed the 
> $_printer_program to a shell script home-made, but I can't get the 
> variables and data sending to redirect to device.
> 
> Like:
> echo ASDF | lpr -> prints ASDF to printer in /etc/printcap
> 
> I made a program "print" that does that:
> echo ASDF | print -> prints ASDF to printer /dev/lp0
> 
> How can I get the "echo ASDF" that DOSEMU sends?
> 
> Does someone can help me on that? I already tried to hack out the code 
> but couldn't find the printers sessions.
> 
> 
> Stefano
> -
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Re: LPT1 - Local Printing

[Rafał Cygnarowski]

Dnia sobota, 30 grudnia 2006 03:07, kemas henry napisał:
> Hi,
>
> I also use ltsp 4.2 with dosemu and running DOS-16 application,
> but I can print to lpt1.
>
> All that I have to do is change
>  $_printer = lx300_ws001 (entry in /etc/printcap)
>  $_printer_command = lpr -l
> then try to print to lpt1, hopefully it will work for you

He said he has no printacp entry... If he use /dev/lp0 directly and it's ok 
for him than easiest way to achieve this is 

$_printer_command = "cat - > /dev/lp0"

Of course multiply user printing on this printer will fail becouse of lack of 
queue (but who said that queue is always what we need?).

What can I say for addition is how to create simple printcap entry... I use 
following printcap file for my OKI needle printer:
-- /etc/printacap --
oki|needle:lf=/var/log/printer:lp=/dev/usb/lp0:sd=/var/spool/lpr/oki:sh:sf:
-- end of file ---

Notice that my printer use /dev/usb/lp0 and /var/sppol/lpr/oki directory MUST 
exists. I use lpr from lpr.sf.net for queueing.

-- 
Rafał Cygnarowski
rafi@pers.pl
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