Miller – tool for querying, shaping, reformatting data in CSV, TSV, and JSON - https://news.ycombinator.com/item?id=29651871 - Dec 2021 (33 comments)

Miller CLI – Like Awk, sed, cut, join, and sort for CSV, TSV and JSON - https://news.ycombinator.com/item?id=28298729 - Aug 2021 (66 comments)

Miller v5.0.0: Autodetected line-endings, in-place mode, user-defined functions - https://news.ycombinator.com/item?id=13751389 - Feb 2017 (20 comments)

Miller is like sed, awk, cut, join, and sort for name-indexed data such as CSV - https://news.ycombinator.com/item?id=10066742 - Aug 2015 (76 comments)