Filter needed on CSV Data Set Config to read a Subset of the Data

**Prabhakar Ponnusamy** ([Bug 64139](https://bz.apache.org/bugzilla//show_bug.cgi?id=64139&redirect=false)):
JMeter Team,

Sometimes we do have requirements where we want to get or process only a subset of data from a CSV Data Set config, say, in nested loops we implement a Master/ Parent file in the first loop and the Child Record set file in the second loop. So, based on the row selected in the first loop, we have to get the corresponding records alone from the second CSV Data Set Config, but since there is no filter option available in the UI or otherwise through the code, it is kind of difficult or not possible to implement the right solution. Hence asking you for an enhancement to add filter condition tho this.

Regards,
P.Prabhakar

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