lpr: printer: unknown printer

[Dotan Cohen]

>> jaunty2 at laptop:~$ ls | lpr
>> jaunty2 at laptop:~$ ls | lp
>> request id is printer-5 (1 file(s))
>> jaunty2 at laptop:~$
>>
>> I don't understand this pipe. Even after reading the lp and lpr
>> manpages I do not see how piping ls through lp gives the result that
>> it does. Which of the lovely manuals should I be reading?
>
> So it worked?
>

What is "it" specifically? I still cannot print, if that was the question.

> I'll be darned how I know that you can pipe into lp and lpr.
>

But didn't you suggest that I try that?

> Note that you can descend into confusing swamp if you start reviewing
> docs on line.

Yes, I know! But as a mechanical engineer and not a computer
scientist, this is the only information that I have available to me.

> Both lp and lpr in CUPS using linuxes are 'recreations' of the
> original commands.  All the older print systems like LPRNG etc had
> their own similar commands and CUPS for maximum compatibility tried to
> recreate the actions of them.  eg see the notes about Solaris and SysV
> under lpstat? but lpinfo is CUPS only?
>

I am aware of thwat, which is common to most of the GNU tools, even ls
and the other terminal commands are rewrites of the original *nix
programs.

-- 
Dotan Cohen

http://what-is-what.com
http://gibberish.co.il