Re: nc -N and EOF

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

On Tue, Feb 27, 2018 at 09:50:34PM -0500, Eric Hawicz wrote:
> On 2018-02-27 10:33 AM, Patrick Welche wrote:
> >    echo "hello from server" | nc -l 1234
> > 
> >    nc -l 1234 << EOF
> >    hello from server
> >    EOF
> > 
> >    echo "hello from server" > tmpfile
> >    nc -l 1234 < tmpfile
> > 
> > and in all cases
> > 
> >    nc  -N 127.0.0.1 1234
> > 
> > prints "hello from server" but doesn't exit. Maybe I'm misunderstanding
> > 
> >       -N      shutdown(2) the network socket after EOF on the input.  Some
> >               servers require this to finish their work.
> > 
> > ?
> Do you hit control-D on the client nc to give it the EOF on the input?

I was hoping to be able to script both sides, and have the file go from
the listener to the client rather than the other way around.

Patrick