# How to read one specific file out of multiple files from BLOB storage

**URL:** <https://discuss.elastic.co/t/how-to-read-one-specific-file-out-of-multiple-files-from-blob-storage/137753>\
**Category:** Logstash\
**Created:** [June 28, 2018, 7:19am UTC](https://discuss.elastic.co/t/how-to-read-one-specific-file-out-of-multiple-files-from-blob-storage/137753 "2018-06-28T07:19:58Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Pooja](https://avatars.discourse-cdn.com/v4/letter/p/a5b964/32.png) [@Pooja](https://discuss.elastic.co/u/Pooja)\
**Post date:** [June 28, 2018, 7:19am UTC](https://discuss.elastic.co/t/how-to-read-one-specific-file-out-of-multiple-files-from-blob-storage/137753/1 "2018-06-28T07:19:58Z")

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Is there any filter or parameter or condition that can be specified in my logstash conf file where I want to read one specific file from BLOB storage container where many different files are stored on that particular BLOB storage.

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**Author:** ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)\
**Post date:** [June 28, 2018, 7:43am UTC](https://discuss.elastic.co/t/how-to-read-one-specific-file-out-of-multiple-files-from-blob-storage/137753/2 "2018-06-28T07:43:07Z")

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What kind of blob storage are you talking about?

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**Author:** ![Pooja](https://avatars.discourse-cdn.com/v4/letter/p/a5b964/32.png) [@Pooja](https://discuss.elastic.co/u/Pooja)\
**Post date:** [June 28, 2018, 2:30pm UTC](https://discuss.elastic.co/t/how-to-read-one-specific-file-out-of-multiple-files-from-blob-storage/137753/3 "2018-06-28T14:30:55Z")

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Log files of certain microservices are being stored on Microsoft Azure BLOB storage and the type of BLOB is Append BLOB.  
The following link provided me the input parameters to read log data from BLOB storage.

> **[Azure/azure-diagnostics-tools](https://github.com/Azure/azure-diagnostics-tools/tree/master/Logstash/logstash-input-azureblob)**
>
> azure-diagnostics-tools - Plugins and tools for collecting, processing, managing, and visualizing diagnostics data and configuration

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**Author:** ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)\
**Post date:** [June 29, 2018, 6:12am UTC](https://discuss.elastic.co/t/how-to-read-one-specific-file-out-of-multiple-files-from-blob-storage/137753/4 "2018-06-29T06:12:44Z")

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Okay, that clears things up. It doesn't appear that the plugin supports selection of which files to read.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 27, 2018, 6:13am UTC](https://discuss.elastic.co/t/how-to-read-one-specific-file-out-of-multiple-files-from-blob-storage/137753/5 "2018-07-27T06:13:01Z")

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