home-assistant.io/source/_components/sensor.filesize.markdown
2018-03-02 06:33:40 +00:00

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---
layout: page
title: "File size sensor"
description: "Component for monitoring the size of a file."
date: 2018-02-06 14:00
sidebar: true
comments: false
sharing: true
footer: true
logo: file.png
ha_category: Sensor
ha_iot_class: "Local Polling"
ha_release: 0.64
---
Component for displaying the size in MB of a file. Note that paths must be added to [whitelist_external_dirs](https://home-assistant.io/docs/configuration/basic/).
Add to your config:
```yaml
sensor:
- platform: filesize
file_paths:
- /config/home-assistant_v2.db
```
{% configuration %}
file_paths:
description: The absolute path to the file.
required: true
type: list of strings
{% endconfiguration %}