# Batch to Remove 1st then Add

**URL:** https://community.mp3tag.de/t/batch-to-remove-1st-then-add/46705
**Category:** Support
**Created:** [October 12, 2019, 3:47pm UTC](https://community.mp3tag.de/t/batch-to-remove-1st-then-add/46705 "2019-10-12T15:47:16Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)
#### Post date: [October 12, 2019, 8:26pm UTC](https://community.mp3tag.de/t/batch-to-remove-1st-then-add/46705/2 "2019-10-12T20:26:12Z")

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I would leave out the removal of all tags and update only those that are incorrect.  
If you still want to do it, use an action of the type "Remove fields except" and leave the field %dummy% as the last one.  
An import of data from filenames can be run in an action with an action of the type "Guess value" - the syntax is the same as in the function Convert\>Filename-Tag which means it works only for files with the same pattern in the filename.  
To set a certain field, e.g. COMMENT, to a certain value, use an action of the type "Format value".  
Actions can be grouped in an action group.  
To see more about actions, see the FAQs

> [@Actions and batch-operations](https://community.mp3tag.de/t/actions-and-batch-operations/967):
>
> Mp3tag provides a variety of actions, which can be applied to filenames and tags. The actions are grouped together into named sets (action groups), which can be applied independently via Alt + 6. If you do not want to create a reusable action group for applying one single action, the Actions (Quick) toolbar button or keyboard shortcut Shift + Alt + 6 can be used. How to [create a new action](https://community.mp3tag.de/t/actions/967/2)? How to ... [change upper/lower case of tag fields or filenames](https://community.mp3tag.de/t/actions/967/3)? [replace the string “xyz” in tag-fields …](https://community.mp3tag.de/t/actions/967/4)

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