lpr: printer: unknown printer

[Florian Diesch]

Dotan Cohen <dotancohen at gmail.com> wrote:

>> How about something even simpler -
>>  ls | lpr
>> Then
>>  ls | lp
>> What happens?
>>
>> Brian
>>
>
> 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. 

It prints the output of ls

> Even after reading the lp and lpr
> manpages I do not see how piping ls through lp gives the result that
> it does. 

The manpage of lpr says:

 | If no files are listed on the command-line, lpr reads the print
 | file from the standard input.




   Florian
-- 
<http://www.florian-diesch.de/>