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jq tips
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jqtips.md

Elasticsearch

Sum number of docs in a cluster

cat nodes_stats.json|jq '.nodes[].indices.docs.count'|awk '{s+=$0} END {print s}'

Sum total store size

cat nodes_stats.json|jq '.nodes[].indices.store.size_in_bytes'|awk '{s+=$0} END {print s}'

Working with the swapi data

Get a list of planets + key for translate lookup

cat people.json | jq -r '.[]|"\"\(.pk)\"" + ": " + "\"\(.fields.name)\""'

Flatten

jq -c -M 'map(.fields + with_entries(select(.key != "fields")))

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