Saving, plotting intermediate data

Hello,

I am working with usrp_spectrum_sense.py and I am trying to analyze the
intermediate data from different DSP blocks.

Any idea, how can I save the output data from each DSP block to
different files?
Also, how can I plot the real time outputs from each DSP block. There is
any solution to export in Matlab the output data of each DSP block?

Thank you,
Catalin