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> It would be great if you could share with the list example code snippets of how you do the pipes. For example: Where in an online repository one can find such code.
>
> I think that's what Jeff was getting at: that "we" are providing IANAL advice rather than code examples. I, for one, have never actually tried the pipes -- I've just heard that they are possible and that using them does not form a "greater work" in the GPL sense. - MLD
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> _______________________________________________
Actually, my SIDSuite code uses this a little bit, in that data
recording is handled outside of Gnu Radio. The basic idea is that there's
a shell script that sets up the environment (creates the FIFO files,
starts the external programs in the background, etc), then the
Gnu Radio flow-graph is called. The flow-graphs just use "File
Source" and "File Sink" with buffering turned off--as far as Gnu Radio
is concerned, it's writing to a file, but in fact, it's a FIFO file
or "named pipe".
See:
http://www.sbrac.org/files/sidsuite.tar.gz
It doesn't do it as much as other code that I've written, but it gives
one a flavour for how the pipes are used.
The other "trick" that I use is to use the XMLRPC server stuff that Josh
put in GRC--it allows you to set flowgraph variables from an
outside program, which is really great!
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