Data exchange between python script and bash script

Anssi Saari as at
Wed Apr 5 08:37:23 EDT 2017

venkatachalam.19 at writes:

> For example, the data is printed in
> as follows:
> print >>sys.stderr,sens_data
> By printing the data onto sys.stderr and assigning a return variable in the bash, I am expecting the data to be assigned.
> But this is not happening.

This part I can answer alhtough I'm not sure it helps with your actual

Bash manual explicitly states command substition (the $(...) structure)
replaces the command with the standard *output* of the command. So since
your Python program writes to standard error, you get nothing.

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