# XMF file for hdf5 data split over multiple files

**URL:** https://discourse.paraview.org/t/xmf-file-for-hdf5-data-split-over-multiple-files/4302
**Category:** ParaView Support
**Created:** [May 11, 2020, 3:39pm UTC](https://discourse.paraview.org/t/xmf-file-for-hdf5-data-split-over-multiple-files/4302 "2020-05-11T15:39:20Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![matthieuschaller](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/m/4bbf92/32.png) [@matthieuschaller](https://discourse.paraview.org/u/matthieuschaller)
#### Post date: [May 11, 2020, 3:39pm UTC](https://discourse.paraview.org/t/xmf-file-for-hdf5-data-split-over-multiple-files/4302/1 "2020-05-11T15:39:20Z")

</div>

Hi all,

I am handling large snapshot data that are split over multiple hdf5 files. That is a given array has the first N entries in a file then the next M entries in the next file and so on. When using a single file, I can write an XMF file describing the hdf5 snapshot and get ParaView to load everything perfectly.

Would anyone know whether there is a way to write the XMF file such that the data from multiple hdf5 files is read in and appended to the same array for a given time slice?

Thanks in advance for your help!

M.