Loop with feedback

I’ve to convert all binary field of a table in String fields.
So I’ve found the Node “Binary Object to String Object”.
The problem is that this job is nested in a loop with a lot of tables.

So there are tables with many binary fields and there are tables without binary fields.

I’ve build a Nested Loop that iterates over binary field names (extracted by “ExtractTableSpec”->“RowFilter”) but now, for very iteration I’ve to substitute a specific field in the same table always.
How can I update the same table for every iteration?

Can you help me?

Hi @pigreco

you can do this using the recursive loop nodes.

You can find example workflows for them on our KNIME Hub here:

And there are actually quite some videos about them as well, e.g. this one:

Cheers, Iris

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