# Logstash 7.0.1 - CSV upload with subheaders

**URL:** <https://discuss.elastic.co/t/logstash-7-0-1-csv-upload-with-subheaders/188399>\
**Category:** Logstash\
**Created:** [July 1, 2019, 7:54pm UTC](https://discuss.elastic.co/t/logstash-7-0-1-csv-upload-with-subheaders/188399 "2019-07-01T19:54:33Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [July 1, 2019, 10:07pm UTC](https://discuss.elastic.co/t/logstash-7-0-1-csv-upload-with-subheaders/188399/5 "2019-07-01T22:07:31Z")

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Yes, you can iterate over the fields in an object and see which can be converted to numeric forms using a ruby filter with code like [this](https://discuss.elastic.co/t/convert-values-in-kv-pairs-using-ruby-filter/135035/2).

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