Modifying File Path String and Batch PDF Renaming

[j.popowski]

Hi,
Don’t know if you still need this, but here is solution:

Rename files node error!

hi guys, I have searched this forum for a dynamo node to rename pdf or CAD files directly from dynamo and I found the rename files node from arch-lab package. but this node is giving the following error:[image] any solution for that guys? thank you