Read YAML field

Extract a value from a YAML file

yq '.spec.replicas' deployment.yaml
tool
yq15 commands
tags
yq

More yq commands

  • Set YAML field
    yq -i '.spec.replicas = 3' deployment.yaml

    In-place update of a YAML field

  • Convert YAML to JSON
    yq -o=json deployment.yaml

    Output YAML as JSON for jq processing

  • Merge YAML files
    yq '. *= load("override.yaml")' base.yaml

    Deep-merge a base YAML with an override file

  • Multi-document YAML to array
    yq -s '.' multi.yaml | yq -o=json

    Split a multi-document YAML into a JSON array

  • Read a field value
    yq '.spec.replicas' deployment.yaml

    Extract a single field from YAML

all 15 yq commands