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How to write an expression?

mtran21
New Contributor III

Hi,

I am using Directory Browser snap to try to do following with Expression Builder but I do not know how:

  1. Check if the files in a directory contains any of the following extension (.txt, .csv) If not give error
  2. Check if the filesize of each file is greater than zero. If equal zero then give error

How to write this in expression builder?
Thanks

1 ACCEPTED SOLUTION

Supratim
Contributor III
3 REPLIES 3

Supratim
Contributor III

mtran21
New Contributor III

Thank you so very much. This works really well.

Most welcome @mtran21