Please try this better alternative

https://github.com/junkfix/file-shell

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Config Editor Card to edit configuration.yaml from dashboard

Automaticly searches for *.yaml in the root and subfolders and lists in the dropdown menu.

Installation

Step 1

You will also need to install a custom component https://github.com/junkfix/config-editor to reads/writes files

• HACS

  Integration > Config Editor

• Manual

  Download and copy config_editor directory in custom_components

Restart home assistant.

Do one of the following:

• Settings > Devices > Integrations > + Add Integration > Config Editor
• Edit configuration.yaml and add the following so it can load

  config_editor:
  

Restart home assistant.

Step 2

• HACS

  Frontend > Config Editor Card

• Manual

  Enable "Advanced Mode" from your user profile page

  add config-editor-card.js to your <config>/www/ folder

  Settings > Dashboards > ⋮ > Resources > + Add Resource > Javascript module > url /local/config-editor-card.js?v=1

Add in the sidebar

Settings > Dashboards > + Add dashboard

create a new tab in panel mode and add the card more info

type: custom:config-editor-card

It is also possible to add this using + Add Card UI and choose Custom: Config Editor Card

To create a new file

choose the first blank in dropdown menu and type some text and hit Save or ctrl+s

Advanced Config

Name	Default	Description
file		autoload file eg. home-assistant.log
readonly	false	read only
hidefooter	false
size	100	font size
depth	2	subfolder depth 0 or more

Please backup your files before using as there is no undo.