Today, I will discuss about the Metadata Injection component in Pentaho. This is one of the fine component in Pentaho. If you have come across scenario where your input file changes based on the number of columns or other way of saying it , that file changes dynamically. In such cases, we need to use Metadata Injection component. I have created the ETL job for such cases in PDI. See the below SS for the same.CRUX OF THE METADATA INJECTION COMPONENT IS INPUTS CONNECTED TO THIS COMPONENT AND THE JOB…