This is driving me nuts! Why is it pushing the “False” result thru the IF statement if the trigger is reading True? I’m trying to insert a value of 0 to a list if the list is empty, so the write to excel rows stay in order. [IFPUSHINGFALSE]

Hi @JPParker Use ScopeIf node instead: [image]

Using 2.02 as soon as I ran the script with Scopeif it crashed taking revit down. Downloading 2.4.1 now hoping it’ll fix it. I don’t understand why scopeif and if are different here?

Hmm 2.4.1 seems to be sandbox, 2.03

Interesting. As soon as I hook a scopeif up to a node with data (Is.Empty=False) it crashes pushing the list result. I read scopeif will crash if the result is displayed in two lists, got an idea that might be crashing it…

Try using ScopeIF+ custom node from clockwork package.

I can’t, I need to stick with the out of the box nodes. I’m working with a number of people that nave never seen dynamo before, and the network installs are managed by a different group. Having to push custom nodes scares me keeping them all in sync company wide when we’re all across the entire US…

@JPParker Did it worked? [image] Inconsistant output of IF? Lists-Logic Alright try this: [image]

No, it fails when there’s a true value. Sorry, been messing with it the whole time trying to get it to work [dynss01] If I go with a space instead of ; I start getting somewhere with it. [dynss02]

I ended up going with a “0” for ; at least it fills the void. Will work for what I need at least. Thank you for you help! Stumbled across this, figured I probably could make it work someday, just suprized me it’ll pass a 0 with an empty list. [lolss1]

Inconsistant output of IF?

Lists-Logic

Kulkul November 9, 2019, 5:47am 8

Alright try this:

Topic		Replies	Views
If statements and lists DesignScript	6	1095	November 15, 2019
IF function with empty list Lists-Logic	10	1228	March 16, 2018
The IF node doesn't work with empty lists DesignScript revit , dynamo	6	593	June 15, 2020
Workaround with If statement and empty list	7	740	January 15, 2021
Output in the 'IF' node Lists-Logic	9	3570	May 9, 2018

Inconsistant output of IF?

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