# VTK file names sorting problem

**URL:** https://discourse.paraview.org/t/vtk-file-names-sorting-problem/12453
**Category:** ParaView Support
**Created:** [July 5, 2023, 3:43pm UTC](https://discourse.paraview.org/t/vtk-file-names-sorting-problem/12453 "2023-07-05T15:43:49Z")
**Posts on this page:** 2
**Page:** 1

<div class="post-metadata">

### Author: ![Miraboreasau](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/m/cc9497/32.png) [@Miraboreasau](https://discourse.paraview.org/u/Miraboreasau)
#### Post date: [July 5, 2023, 3:43pm UTC](https://discourse.paraview.org/t/vtk-file-names-sorting-problem/12453/1 "2023-07-05T15:43:50Z")

</div>

Hi, I got these outputs from the code, but when I open with VTK, it doesn’t group to one, and the sorting is not in ascending order, what can I do in Paraview? and what is the suggestion for changing the source code output?  
 ![image](https://discourse.paraview.org/uploads/default/original/2X/e/e5fd550dc8c2076a6066aa546a6d7bbfc487cbc6.png)

Thank you!

---

<div class="post-metadata">

### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [July 7, 2023, 9:31am UTC](https://discourse.paraview.org/t/vtk-file-names-sorting-problem/12453/2 "2023-07-07T09:31:30Z")

</div>

Hi @Miraboreasau

ParaView indeed rely on naming to group file series together but clearly that doesnt work with your naming scheme.

Could you explain what you would like ?

Best,