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dagster

So, my current struggle is that the output that I'm yielding from a solid that is intended to be the full command string for the bash solid isn't treated as a string at pipeline execution time <https://github.com/mitodl/ol-data-pipelines/blob/master/ol_data_pipelines/edx/solids.py#L565-L566>

Ahh i see - so our failure here is `bash_command_solid` should really be called `bash_command_solid_factory`

its a function that *produces* a solid - but the production of that solid has to happen statically at build time

<https://dagster.phacility.com/source/dagster/browse/master/python_modules/libraries/dagster-bash/dagster_bash/solids.py>

you should be able to write a solid that behaves the way you want by writing one that wraps `execute` from `dagster-bash.utils`

<https://github.com/mitodl/ol-data-pipelines/blob/master/ol_data_pipelines/edx/solids.py#L471>