[Tutor] First python-script: a little network client

[Deirdre Saoirse]

On Fri, 4 Feb 2000, Jochen Haeberle wrote:

> thanks a lot - that was a fast and perfect help! I was not sure what
> went wrong at what place, so I did not see the most obvious things!

It happens. :)

> >1) each request is supposed to be followed by a carriage return and line
> >feed. This is \r\n, not \n.
> 
> That' the most problematic error I guess. I thoghut \n is equal to
> <cr><lf> (at least on my Mac)

Macs use \r only. Windows uses \r\n. Unix uses \n only.

As a result, most protocols state explicitly what is expected at the end
of the line. In some cases if you're writing a server, you want to write
something that accepts any of the three conventions (regardless of what is
specified).

> Thanks again

No problem!

-- 
_Deirdre   *   http://www.linuxcabal.net   *   http://www.deirdre.net
"Mars has been a tough target" -- Peter G. Neumann, Risks Digest Moderator
"That's because the Martians keep shooting things down." -- Harlan Rosenthal
<Harlan.Rosenthal@Dialogic.com>, retorting in Risks Digest 20.60