Data exchange between python script and bash script
as at sci.fi
Wed Apr 5 08:37:23 EDT 2017
venkatachalam.19 at gmail.com writes:
> For example, the data is printed in
> execute_sensor_process.py 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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