duckdb
CLIIn-process analytical SQL database engine.
Convert Parquet to CSV~97% est.
duckdb -c "COPY (SELECT * FROM 'data.parquet') TO 'output.csv' (HEADER, DELIMITER ',')"data2 recipes
miller
CLILike awk/sed/cut/join/sort for name-indexed data (CSV, JSON, TSV).
Convert CSV to JSON~98% est.
mlr --c2j cat data.csvdata3 recipes
csvkit
CLIA suite of utilities for converting and working with CSV files.
data3 recipes