jq

What it can do

• Filter JSON data based on conditions

  JSON data and filter criteria → Filtered JSON subset

• Extract specific fields from JSON objects

  JSON data and field selectors → Selected JSON values or fields

• Transform JSON structure and format

  JSON data and transformation rules → Restructured JSON data

• Map operations across JSON arrays

  JSON array and mapping expression → Transformed JSON array

• Parse and validate JSON syntax

  Raw JSON text → Parsed JSON or syntax errors

• Format and pretty-print JSON

  Unformatted JSON data → Formatted, readable JSON

Why it made the leaderboard

sed, awk, and grep for JSON — slice, filter, map, and transform structured data from the command line with a single zero-dependency binary.

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