Re: [Discuss-gnuradio] Broken pipe when I write the payload to a pipe.

[Eric Blossom]

On Mon, Jun 29, 2009 at 04:03:26AM -0700, shesh wrote:
> 
> hi Brook,
> me too facing the same error. Could you/anyone please help?
> Shesh

Please take a look at the man pages.
Your example below is attempting to run a command called "pipe" and
write to it.  There is no such command, hence the message:

  sh: pipe: not found

Eric



> Brook Lin wrote:
> > 
> > All right, I use 'import signal' and 'signal.signal(signal.SIGPIPE,
> > signal.SIG_DFL)' to solve the [Errno 32] Broken pipe. Then I met another
> > problem. The error says 'sh: pipe: not found'. However, pipe dose be
> > created. How should I do next? Thanks.
> > 
> > OFDM Demodulator:
> > Modulation Type: bpsk
> > FFT length:      128
> > Occupied Tones:  100
> > CP length:        32
> > TIMEOUT
> > ok: True     pktno: 1        n_rcvd: 1       n_right: 1
> > sh: pipe: not found
> > 
> > 
> > 
> > Brook Lin wrote:
> >> 
> >> Hi All, 
> >> 
> >> I am trying to write the payload to a pipe rather than to a file in
> >> benchmark_ofdm_rx.py. The script is attached below. However, I got the
> >> error 'Broeken pipe' when I run the script. Can anyone tell me why is
> >> that and how to correct it?
> >> 
> >> rxdata.append(payload[2:])
> >> #os.mkfifo('pipe')
> >> myfile = os.popen('pipe','w')   
> >> for data in rxdata:
> >>     myfile.write(data)
> >> myfile.close()
> >> 
> >> Thanks,
> >> Brook