yq

CLI>=4.0

A lightweight YAML, JSON, and XML processor.

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Installation

Homebrewbrew install yq

MIT

Query and edit YAML/JSON/XML files like jq for YAML

When to use

Editing Kubernetes manifests, CI config, or any YAML files

Examples

Read a YAML value🟢 98% success

yq '.spec.replicas' deploy.yaml

Edit YAML in-place🟢 95% success

yq -i '.version = "2.0"' config.yaml

⚠ Common failures (1)

File becomes empty → Backup first; yq -i only works with mikefarah/yq not Python yq

Convert YAML to JSON🟢 97% success

yq -o json config.yaml