Question

This is my situation:

I want to run Python scripts sequentially in sequence, starting with scriptA.py. When scriptA.py finishes, scriptB.py should run, followed by scriptC.py. After these scripts have run in order, I need to run an rsync command.

I plan to create bash script like this:

#!/bin/sh
python scriptA.py
python scriptB.py
python scriptC.py
rsync blablabla

Is this the best solution for perfomance and stability ?

Answer 1

To run a command only after the previous command has completed successfully, you can use a logical AND:

python scriptA.py && python scriptB.py && python scriptC.py && rsync blablabla

Because the whole statement will be true only if all are true, bash “short-circuits” and only starts the next statement when the preceding one has completed successfully; if one fails, it stops and doesn’t start the next command.

Is that the behavior you’re looking for?