Writing a file on demand

I only want to write a xlsx file if certain conditions apply. Is there a possibility to prevent the write node from executing?

@knimerin you can use a CASE Switch Start – KNIME Community Hub node to decide to run a (writer) node or not.

You could take a look at this example in the green box:


Hello @knimerin

Could you please provide an example of a condition that needs to be met for an ‘if’ statement, and if that condition is not met, what action you would like to take in the ‘else’ clause?

Additionally You can use the


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