Option to select only specified sources.

Can be useful to prepare a back-up of selected sources, for example if only 1 or 2 slow data sources from 'raw' are required for the analysis.

added 1 commit

• 0f4cf927 - Draft implementation of --select-keys option.

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assigned to @turkot

requested review from @schmidtp

I've performed some test of this implementation at:

/gpfs/exfel/data/user/turkot/LWork/general/exdf-tools/dev_select_sources/test/t_11

Why do these require to be mutually exclusive? Does something break?

It would not be unthinkable to run in --output-scope aggregator mode, remove some sources from one aggregator and select sources from another (which is equivalent to remove all others from that aggregator).

Thanks, I like the idea and it fits into the flexible nature of exdf-reduce to rewrite files for any purpose.

Unfortunately the merger of !6 (merged) changed the structure for reduction instructions, could you have a look?