Sending HTML to konqueror from the command line (via a named pipe)

Mon Nov 27 23:39:03 GMT 2006

On Monday 27 November 2006 11:57 am, Rene Horn wrote:
> I have v1.10, so yours should work the same way.  A less elegant
> manner of doing this is just to pipe it in with cat.
>
> $ cat foo.html|nc -lp 8081 -q 10
> $ echo "<HTML><HEAD></HEAD><BODY>TEST</BODY></HTML>" > foo.html #This
> is in a different terminal, of course.
> $ konqueror http://localhost:8081

Ok, now it works--for whatever reason something didn't like that port 
number--I switched to port 18000 and now it works.

Thanks!

Randy Kramer

>
> Unfortunately, netcat won't know when to close the connection, and so
> the browser--in this case Konqueror--will just keep on waiting for
> more input, even though there is none.
>
> Rene
>
> PS The "-e" option requires its own script file.  So try putting the
> commands you want into something like htmlstream.sh, and then do the
> following:
>
> $ nc -lp 8081 -e htmlstream.sh
>
> On 11/27/06, Randy Kramer <rhkramer at gmail.com> wrote:
> > On Sunday 26 November 2006 08:13 pm, Randy Kramer wrote:
> > > On Sunday 26 November 2006 03:19 pm, Rene Horn wrote:
> > > > nc + konqi definitely works for streaming html. It's not elegant, but
> > > > it works. I basically used the following commands to do it:
> > > >
> > > > $ mkfifo foo.html
> > > > $ nc -lp 8081 -c "/bin/cat foo.html" # Of course, the port doesn't
> > > > need to be 8081--that was just the first number I came up with.
> > > > $ konqueror http://localhost:8081 & # This command was done in a
> > > > different terminal, of course.
> > > > $ echo "<HTML><HEAD></HEAD><BODY>TEST</BODY></HTML>" > foo.html
> > >
> > > Wonderful--thank you!
> >
> > Oops, just got nc and installed it, and no dice.
> >
> > My version is 1.10 and it has no -c option.  So I guessed that maybe the
> > -e option is the same or similar, but no dice.
> >
> > What version of netcat are you using?
> >
> > My symptoms include that:
> >
> >    * On my first try (which I don't remember so well), the nc command
> > hung until I started konqueror, then konqueror displayed some sort of
> > error message--I can't recall what it was (maybe something like an
> > address not found, but my memory is really bad at times).
> >
> >    * On subsequent tries, when I issue nc -lp 8081 -e "/bin/cat
> > /rhk/foo.html" before starting konqueror (on a 2nd try), I get an error
> > message: Can't grab 0.0.0.0:8081 with bind.  (/bin/cat is the right path
> > to cat, /rhk/foo.html is the right name for the fifo).  In fact, I get
> > this message whether konqueror is started or not.  When konqueror is
> > started, it hangs with "localhost contacted, waiting for reply", and
> > eventually: "An error occurred while loading http://localhost:8081:;
> > Timeout on server;  localhost"
> >
> > I'm looking for documentation on the -c option.  Ok, found some hints:
> >
> > "netcat v0.7.0 o Added command line switch `-c' (close), which shuts down
> > the connection on EOF from stdin without waiting for any answer ..."
> >
> > Which makes it sound like -q with some (small) number of seconds might be
> > an alternate, but no luck there either:
> >
> > [rhk at s14 ~]$ nc -lp 8081  -q 15 "/bin/cat /rhk/foo.html &"
> > /bin/cat /rhk/foo.html &: forward host lookup failed: Unknown server
> > error
> >
> > So I'll keep looking, and try to download netcat version 0.7.0, but I
> > could probably use some more hints. ;-)
> >
> > Randy Kramer
> >
> > > Randy Kramer
> > >
> > > > And that's pretty much it. I even put the entire thing into a loop
> > > > just for fun:
> > > >
> > > > $ i=1; while true; do nc -lp 8081 -c "/bin/cat foo.html &"; echo
> > > > "<HTML><HEAD></HEAD><BODY>TEST</BODY></HTML>" > foo.html; echo $i;
> > > > i=`expr $i + 1`; done
> > >
> > > ;-)