zarrdump

ncdump but for zarr

Copyright 2025 Axiom Data Science, LLC

See LICENSE for details.

Building

In order to build the project, contributors need rust, see Install Rust for details about installing the rust development environment on your system.

To build the project:

cargo build

To run the binary without building a release version or installing to a locally available path:

cargo run

For details about cargo and using cargo, please see The Cargo Book

Docker

To build the docker image:

docker build -t zarrdump .

To run the image as a docker container

docker run -it --rm zarrdump

Usage

Dump a ZARR v2 or v3 dataset metadata as JSON

Usage: zarrdump <PATH>

Arguments:
  <PATH>  File path to the zarr dataset

Options:
  -h, --help     Print help
  -V, --version  Print version

Examples

List all the variables in a zarr dataset:

zarrdump CE01ISSM-MFD35-04-ADCPTM000-daily-2025.zarr | jq '.variables | keys'