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dasel

Dasel (short for data-selector) allows you to query and modify data structures using selector strings.

Comparable to jq / yq, but supports JSON, YAML, TOML, XML and CSV with zero runtime dependencies.

One tool to rule them all

Say good bye to learning new tools just to work with a different data format.

Dasel uses a standard selector syntax no matter the data format. This means that once you learn how to use dasel you immediately have the ability to query/modify any of the supported data types without any additional tools or effort.

Dasel
One tool to rule them all
Quickstart
Completion
Issue vs discussion
Features
Table of contents
Documentation
Playground
Benchmarks
Pre-Commit

Quickstart

Dasel is available on homebrew, ASDF, scoop, docker, Nix or as compiled binaries from the latest release.

brew install dasel

You can also install a development version with:

go install github.com/tomwright/dasel/v2/cmd/dasel@master

For more information see the installation documentation.

Select

echo '{"name": "Tom"}' | dasel -r json 'name'
"Tom"

See select documentation.

Convert json to yaml

echo '{"name": "Tom"}' | dasel -r json -w yaml
name: Tom

See select documentation.

Put

echo '{"name": "Tom"}' | dasel put -r json -t string -v 'contact@tomwright.me' 'email'
{
  "email": "contact@tomwright.me",
  "name": "Tom"
}

See put documentation.

Delete

echo '{
  "email": "contact@tomwright.me",
  "name": "Tom"
}' | dasel delete -r json '.email'
{
  "name": "Tom"
}

See delete documentation.

Completion

If you want to use completion from the terminal you can do the following (using zsh in this example):

Add the following to ~/.zshrc and reload your terminal.

export fpath=(~/zsh/site-functions $fpath)
mkdir -p ~/zsh/site-functions
dasel completion zsh > ~/zsh/site-functions/_dasel
compinit

Pre-Commit

Add dasel hooks to .pre-commit-config.yaml file

- repo: https://github.com/TomWright/dasel
  rev: v1.25.1
  hooks:
    - id: dasel-validate

for a native execution of dasel, or use:

dasel-validate-docker pre-commit hook for executing dasel using the official Docker images
dasel-validate-bin pre-commit hook for executing dasel using the official binary

Issue vs Discussion

I have enabled discussions on this repository.

I am aware there may be some confusion when deciding where you should communicate when reporting issues, asking questions or raising feature requests so this section aims to help us align on that.

Please raise an issue if:

License

TomWright/dasel

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