# Kibana - filtering data between two csv files

**URL:** https://discuss.elastic.co/t/kibana-filtering-data-between-two-csv-files/147837
**Category:** Elasticsearch
**Created:** [September 9, 2018, 2:40am UTC](https://discuss.elastic.co/t/kibana-filtering-data-between-two-csv-files/147837 "2018-09-09T02:40:36Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![lucky\_mathpal](https://avatars.discourse-cdn.com/v4/letter/l/22d042/32.png) [@lucky\_mathpal](https://discuss.elastic.co/u/lucky_mathpal)
#### Post date: [September 9, 2018, 2:40am UTC](https://discuss.elastic.co/t/kibana-filtering-data-between-two-csv-files/147837/1 "2018-09-09T02:40:36Z")

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Hi,

I have two csv files which I want to use in logstash. I want to filter to achieve this though logstash ,

File A  
File B

Both the files have one field in common

Output to Kibana - \> only the difference of common field should be sent as index to Kibana.

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<div class="post-metadata">

### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [October 7, 2018, 2:40am UTC](https://discuss.elastic.co/t/kibana-filtering-data-between-two-csv-files/147837/2 "2018-10-07T02:40:40Z")

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