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Make distinction between data informant and target informant - refer to overview article.
There's amost always a mapping required; whether it's done in a TOOL script, a view or in the model.
Some situations in which this occurs:
Write and run script with this format:
Get informants from file Export informants
Inspect informants, and create mappings. Grow script to:
Get informants from file !Export informants (now optional) Define mappings (from parameters or from external file) Create/import data with data informants Apply mappings Export data