Use clap derive to make the input and output files configurable, as well
as the chunk size parameters.
Change-Id: I02b29126f3bd2c13ba2c6e7e0aa4ff048ff803ed
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10691
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: edef <edef@edef.eu>