---
name: "h5repart"
section: "1"
platform: "linux"
package: "hdf5-tools"
version: "1.14.5+repack-3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/h5repart"
---

# h5repart(1)

Repartitions a file or family of files.

## NAME

h5repart - Repartitions a file or family of files.

## SYNOPSIS

**h5repart** **\[-v\]** **\[-V\]** **\[-\[b\|m\]N\[g\|m\|k\]\]** source\_file dest\_file

## DESCRIPTION

h5repart splits a single file into a family of files, joins a family of files into a single file, or copies one family of files to another while changing the size of the family members. h5repart can also be used to copy a single file to a single file with holes.

Sizes associated with the -b and -m options may be suffixed with g for gigabytes, m for megabytes, or k for kilobytes.

File family names include an integer printf format such as %d.

## OPTIONS

- **-v**

  Produce verbose output.

- **-V**

  Print a version number and exit.

- **-bN**

  The I/O block size, defaults to 1kB

- **-mN**

  The destination member size or 1GB

- source\_file

  The name of the source file

- dest\_file

  The name of the destination files

## SEE ALSO

[*h5dump*(1)](/h5dump/1.md), [*h5ls*(1)](/h5ls/1.md), [*h5diff*(1)](/h5diff/1.md), [*h5import*(1)](/h5import/1.md), [*gif2h5*(1)](/gif2h5/1.md), [*h52gif*(1)](/h52gif/1.md), *h5perf*(1)