I’m quite new to KNIME and try to rebuild and advance some of my regular workflows. To avoid overwriting files I add the execution date to the file - or I try at least. To do so I rebuilt the following workflow: Excel Name with Date – KNIME Community Hub
However, the workflow does not refresh with the latest date when I execute the Write Excel node or even all nodes. I also cannot execute the date node itself again, it keeps the date of the first execution. Any idea why this is the case and what I might need to change in the configuration to make it work. You help is highly appreciated.
When you executed the Date&Time node it creates todays date and then your flow does stuff until finally getting to the Excel writer. The top half of your flow wont change until you re-execute the Date&Time node. That is why each time you executed the Excel Writer node the date stays the same.
You could reset the Date&Time node every time before executing the Excel writer node - but that is one extra click every time you run this - not my cup of tea!
I am assuming that you are representing your regular workflows with the Data Generation node and also that you reset the first node every time you run your flow.
I have created a solution for you (minus extra clicks!)
The only difference is that I have added a work flow variable from the Data Generator node to the Create Date&Time Range node.
When the Data Generator node is finished, the flow variable path attached to it will send a signal up to the Date&Time node and start it, this means that the top half of the flow will run again as use todays date.