Hi Haaris, as said in my stackoverflow response [1], it's really not a good idea to modify file_sink – you really just want modify the item stream, so do that in a block you add before your file_sink.
If you've installed GNU Radio as binary package, then the source code will not be anywhere – if you want to modify GNU Radio, you'd have to build it from source yourself, and in that case, you'd probably know where the source code was :D Best regards, Marcus [1] http://stackoverflow.com/a/37053032/4433386 On 05.05.2016 21:09, Haaris wrote: > Hi Marcus, > > Thanks a lot for the reply. > The screen shot of the flow graph is present below. > > http://pasteboard.co/HzDBxB6.png > > One more thing is that where in ubuntu is file_sink.cc or the C++ > files of blocks present? > I searched the whole computer for '.cc' and found no .cc gnu radio > block file. > I think I can easily change the C++ code to solve this problem. > Please don't recommend adding a new block, because I have tried that 2 > or 3 times and it just does not work. > There are different errors everytime I try to add a new block, > sometimes gnu radio just doesn't pick it up etc. > Moreover there is also not much time left now, before my demo. > > Thanks once again for your time. > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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