Walk and transform all strings

Recursively lowercase all string values in a JSON document

jq 'walk(if type == "string" then ascii_downcase else . end)' data.json
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jq17 commands
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jq

More jq commands

  • Pretty print JSON
    cat data.json | jq '.'

    Format and colorize a JSON file

  • Filter by field
    cat data.json | jq '.items[] | select(.status == "Running")'

    Select objects where a field equals a value

  • Extract specific fields
    cat data.json | jq '[.items[] | {name:.metadata.name, ns:.metadata.namespace}]'

    Project only specific fields into a new array

  • Group by field
    cat data.json | jq 'group_by(.namespace) | map({ns: .[0].namespace, count: length})'

    Aggregate items by a field value

  • Delete a field
    cat data.json | jq 'del(.metadata.managedFields)'

    Remove a field from JSON output

all 17 jq commands