How loop work in pentaho

Concept of Loops in Pentaho

Today, I will discuss about the how to apply loop in Pentaho. Here, first we need to understand why Loop is needed. For example, you need to run search a file and if file doesn’t exists , check the existence of same file again in every 2 minutes until you get the file or another way is to search x times and exit the Loop.See the below ETL job where i created a simple Loop.Set Variables : create a new variable NEW_LOOP and set its value to 0. File Exists…