# Tag - Filename \[Track Number Code\]

**URL:** https://community.mp3tag.de/t/tag-filename-track-number-code/9262
**Category:** Support
**Created:** [November 4, 2009, 2:48pm UTC](https://community.mp3tag.de/t/tag-filename-track-number-code/9262 "2009-11-04T14:48:56Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![dano](https://community.mp3tag.de/user_avatar/community.mp3tag.de/dano/32/6_2.png) [@dano](https://community.mp3tag.de/u/dano)
#### Post date: [November 6, 2009, 12:47pm UTC](https://community.mp3tag.de/t/tag-filename-track-number-code/9262/4 "2009-11-06T12:47:54Z")

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To change it in the **tag** :

Make a [new action](https://community.mp3tag.de/t/967/1)

_Action type:_ **Format value**  
_Field:_ **TRACK**  
_Formatstring:_ **[$num(%track%,1)]**

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_[View the full topic](https://community.mp3tag.de/t/tag-filename-track-number-code/9262)._