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Re: [Discuss-gnuradio] Using File Sink Block

From: Josh Blum
Subject: Re: [Discuss-gnuradio] Using File Sink Block
Date: Sun, 10 Apr 2011 12:18:28 -0700
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20110223 Lightning/1.0b2 Thunderbird/3.1.8

On 04/09/2011 10:39 PM, Steve Joseph wrote:
> I am trying to save the output of a stream to a .txt file using the
> gr_file_sink block.  After running the flowgraph, the .txt file either
> cannot be opened due to missing formatting information, or the file just
> appears empty.
> Is there a line I can add to the python script to make the file readable in
> a standard editor? Am I using the block wrong somehow?

python -c "import numpy, sys; print '\n'.join(map(str,
numpy.fromfile(sys.argv[1], numpy.complex64)))" [input_file] > [output_file]

substitute numpy.complex64 for the io type you are using


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