Adding grand total for columns

[lelloba]

Hi @RRAINA31,

I found this post that might help you:

Check if Column Exists in Column Expressions Node

Hello, I have a column that exists within some files and not in others. Thus, when running a loop through reading all the files, it does not always appear. I am running into a problem with the Column expressions node that it throws an error because the column I am wanting to use (if it exists) does not exist. Essentially, I want to write an expression that says: If the column(“column1”) exists, then do something, else, do something different I have tried something along the lines of with no …

Have a nice day,
Raffaello Barri