miller
CLAUDE.md10k starsChanged 6 days agoLicence not identifiedView on GitHub
Miller is a command-line data processing tool for working with CSV, TSV, JSON, and other data formats. It's written in Go (v1.18+) and provides SQL-like operations on data. The make…
- Pipes a download into a shell
- Installs packages
We split this CLAUDE.md into the rules it gives an agent
19 rules. About 0 are common, 8 are distinctive, and 11 are very specific to this project.
≈0
Common · estimate
Many files like this have a rule of this kind.
≈8
Distinctive · estimate
This author's own choices. Worth a look.
11
Very specific
Tied to their project's names, files or tools. Probably skip.
The licence could not be identified — read it at the source. We count its rules but don't quote them. Read them on GitHub.
≈ “Common” is an estimate: at least 1 in 5 of the 25,680 CLAUDE.md files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.
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Who's talking about johnkerl/miller
- A Hacker News story“Miller: Like Awk, sed, cut, join, and sort for CSV, TSV, and tabular JSON”Hacker News · Mar 16, 2023 · 318 points
- A Hacker News story“Miller CLI – Like Awk, sed, cut, join, and sort for CSV, TSV and JSON”Hacker News · Aug 25, 2021 · 273 points
- A Hacker News story“Miller v5.0.0: Autodetected line-endings, in-place mode, user-defined functions”Hacker News · Feb 28, 2017 · 55 points
- @bearstech.com“Miller : un outil Open Source pour le traitement de données en ligne de commande. Il permet de manipuler …”Bluesky · Nov 10, 2024 · 17 likes
- @bearstech.com“Miller : un outil Open Source pour le traitement de données en ligne de commande. Il permet de manipuler …”Bluesky · Aug 8, 2024 · 11 likes
The biggest 5 of 120 mentions linking to the repository that our crawl found. Each line is their own headline.
See all 120
Talked about on GitHub, Hacker News, Stack Overflow, Bluesky and the web (120 times).
On GitHub · 50
- Jul 20, 2021Proposal: Miller — ibraheemdev/modern-unix3 reactions
- May 21, 2022[usv] Unicode Separators swapped — saulpw/visidata1 reaction · 5 comments
- Jan 11, 2022(miller) outdated — majkinetor/au-packages1 reaction
- Sep 28, 2026Update all dependencies — ethanjli/dotfiles0 reactions
- Sep 26, 2026chore(deps): update miller to v6.22.0 — uniget-org/tools0 reactions · 3 comments
45 more on GitHub
- Sep 26, 2026miller: 6.21.0 -> 6.22.0 — NixOS/nixpkgs0 reactions
- Sep 26, 2026Update dependency johnkerl/miller to v6.22.0 — potsbo/dotfiles0 reactions
- Sep 16, 2026feat: nest --explode -f: Support multiple fields — scottallan/miller-weftra-pilot0 reactions · 7 comments
- Aug 17, 2026Update all dependencies — ethanjli/dotfiles0 reactions
- Aug 15, 2026Update dependency johnkerl/miller to v6.21.0 — potsbo/dotfiles0 reactions
- Aug 10, 2026miller: 6.20.2 -> 6.21.0 — NixOS/nixpkgs0 reactions · 1 comment
- Aug 10, 2026chore(deps): update miller to v6.21.0 — uniget-org/tools0 reactions · 3 comments
- Jul 6, 2026chore(deps): update miller to v6.20.2 — uniget-org/tools0 reactions · 3 comments
- Jul 6, 2026Update all dependencies — ethanjli/dotfiles0 reactions
- Jul 4, 2026Update dependency johnkerl/miller to v6.20.2 — potsbo/dotfiles0 reactions
- Jul 4, 2026miller 6.20.2 — Homebrew/homebrew-core0 reactions · 1 comment
- Jul 4, 2026❌ build issues: github.com/johnkerl/miller=6.20.0 — pkgxdev/pantry0 reactions · 4 comments
- Jul 2, 2026Update repo table — arran4/arran40 reactions
- Jul 1, 2026Source rot detected — 2026-07-01 — luongs3/skill-atlas0 reactions · 4 comments
- Jun 22, 2026Update all dependencies — ethanjli/dotfiles0 reactions
- Jun 22, 2026Update repo table — arran4/arran40 reactions
- Jun 20, 2026chore(deps): update miller to v6.19.0 — uniget-org/tools0 reactions · 3 comments
- Jun 20, 2026Update dependency johnkerl/miller to v6.19.0 — potsbo/dotfiles0 reactions
- Jun 20, 2026miller: 6.18.1 -> 6.19.0 — NixOS/nixpkgs0 reactions · 3 comments
- Jun 20, 2026Update repo table — arran4/arran40 reactions
- Jun 19, 2026miller 6.19.0 — Homebrew/homebrew-core0 reactions · 1 comment
- Jun 14, 2026Update repo table — arran4/arran40 reactions
- Jun 13, 2026new(github.com/johnkerl/miller): mlr — awk/sed/cut for CSV/JSON — pkgxdev/pantry0 reactions
- Jun 13, 2026Update repo table — arran4/arran40 reactions
- Jun 9, 2026Update repo table — arran4/arran40 reactions
- Apr 20, 2026build(deps): bump github.com/johnkerl/miller/v6 from 6.16.0 to 6.18.1 — knaka/tblcalc0 reactions
- Apr 19, 2026miller: 6.17.0 -> 6.18.1 — NixOS/nixpkgs0 reactions · 1 comment
- Apr 19, 2026miller 6.18.1 — Homebrew/homebrew-core0 reactions · 1 comment
- Apr 19, 2026Update dependency johnkerl/miller to v6.18.1 — potsbo/dotfiles0 reactions
- Apr 19, 2026chore(deps): update miller to v6.18.1 — uniget-org/tools0 reactions · 3 comments
- Mar 16, 2026Empty-statement support — johnkerl/pgpg0 reactions
- Feb 23, 2026build(deps): bump github.com/johnkerl/miller/v6 from 6.16.0 to 6.17.0 — knaka/tblcalc0 reactions · 1 comment
- Feb 21, 2026miller: 6.16.0 -> 6.17.0 — NixOS/nixpkgs0 reactions
- Feb 21, 2026Update dependency johnkerl/miller to v6.17.0 — potsbo/dotfiles0 reactions
- Feb 21, 2026chore(deps): update dependency johnkerl/miller to v6.17.0 — uniget-org/tools0 reactions · 3 comments
- Feb 21, 2026miller 6.17.0 — Homebrew/homebrew-core0 reactions · 1 comment
- Feb 7, 2026Update AST library from Miller; genericize — johnkerl/pgpg0 reactions
- Jan 3, 2026chore(deps): update dependency johnkerl/miller to v6.18.1 — killo431/tools0 reactions
- Jan 3, 2026miller: 6.15.0 -> 6.16.0 — NixOS/nixpkgs0 reactions
- Jan 2, 2026miller 6.16.0 — Homebrew/homebrew-core0 reactions · 1 comment
- Aug 18, 2025Update all dependencies — ethanjli/dotfiles0 reactions
- Aug 15, 2025chore(deps): update dependency johnkerl/miller to v6.15.0 — uniget-org/tools0 reactions · 3 comments
- Aug 14, 2025miller 6.15.0 — Homebrew/homebrew-core0 reactions · 1 comment
- Jun 17, 2025Buongiorno come stai tutto bene grazie mille metti pure il mio cuore preferito a tutti voi come state tutto bene grazie mille metti pure il mio 2025 struttura Jesus jesulamme master kg master audio formato MP3 video social media ❤️😭☮️🙏🏠 Catania Palermo RM ricordo social network siamo solidarietà — piou658/buongiorno0 reactions
- May 21, 2025johnkerl/miller: 类似于 awk、sed、cut、join 和 sort，用于 CSV、TSV 和表格 JSON 等名称索引数据 — awesome-ops/awesome-ops.github.io0 reactions
On Hacker News · 33
- Mar 16, 2023Miller: Like Awk, sed, cut, join, and sort for CSV, TSV, and tabular JSON318 points · 104 comments
- Aug 25, 2021Miller CLI – Like Awk, sed, cut, join, and sort for CSV, TSV and JSON273 points · 66 comments
- Feb 28, 2017Miller v5.0.0: Autodetected line-endings, in-place mode, user-defined functions55 points · 20 comments
- Aug 17, 2015Miller is like sed, awk, cut, join, and sort for name-indexed data such as CSV10 points · 1 comment
- Jul 4, 2026Miller 6.20.2: Miller and AI, bash/zsh tab-completion, bytes datatype4 points · 1 comment
28 more on Hacker News
- Apr 5, 2016Miller 3.5.0: new data-rearrangers: nest, shuffle, repeat; misc. features4 points
- Sep 13, 2018Show HN: Miller is like awk,sed,cut,join,sort for CSV,TSV,JSON (repost)3 points
- Feb 14, 2016Miller 3.4.0: JSON, reshape, regex-captures, and more3 points
- Nov 29, 2020Miller 5.10.0: sort-within-records, unsparsify -f, misc updates; Go-port beta2 points
- Sep 1, 2019Miller 5.5.0: Positional indexing and other data-cleaning features2 points
- Apr 16, 2017MLR.EXE: Windows beta2 points
- Aug 21, 2016Miller 4.5.0: Customizable output format for redirected output2 points
- Jul 3, 2016Miller 4.3.0: Interpolated percentiles, markdown-tabular, CSV-quote preservation2 points
- Jun 11, 2016Miller 4.1: for/if/while and various features2 points
- May 11, 2016Miller = sed, awk, cut, join, sort for CSV and tabular JSON2 points · 1 comment
- May 9, 2016Miller 4: variables, begin/end blocks, pattern-action blocks2 points · 1 comment
- Oct 27, 2015Miller 2.3.2: Iterative stats, exclude-filter, implicit-CSV-header2 points
- Oct 17, 2015Miller 2.3.0: regex support, gsub, reservoir sampling, iterative stats, and more2 points
- Feb 21, 2026Miller 6.17.0: YAML and DCF file formats; performance improvements; bugfixes1 point
- Sep 3, 2020Miller 5.9.1: Security update: disallow –prepipe in .mlrrc1 point
- Aug 19, 2020Miller 5.9.0: .mlrrc, and fix Windows build1 point
- Aug 4, 2020Miller 5.8.0: Better environment-variable support, new 'count' verb, bugfixes1 point
- Mar 17, 2020Miller 5.7.0 – ports, bugfixes, and keystroke-savers1 point
- Sep 17, 2019Miller 5.6.1: mobile-friendly docs at HTTP://johnkerl.org/miller/doc1 point
- Sep 13, 2019Miller 5.6.0: System calls / external commands, ASV/USV, bulk numeric formatting1 point
- Oct 14, 2018Miller 5.4.0: New data-cleaning features, mlr.exe, localtime, and bugfixes1 point
- Jan 6, 2018Miller 5.3.0 – data comments, documentation improvements, and bug fixes1 point · 1 comment
- Jun 14, 2017Miller 5.2.0: stats on regexed field names, string/num stats, CSV UTF BOM strip1 point
- Apr 15, 2017JSON-array support, fractional seconds in strptime/strftime, and other features1 point
- Aug 12, 2016Miller 4.4.0: Redirected output, row-value shift, and other features1 point
- Jun 21, 2016Miller multi-emit feature1 point
- Dec 29, 2015Miller 3.2.2: Performance improvements, compressed I/O, variable-name escaping1 point
- Nov 24, 2015Miller 3.0.0: Integer and float arithmetic, improved documentation, other features1 point
On Stack Overflow · 30
- May 17, 2017How to pretty-print / view tabular file (e.g., CSV) from the command line?9 votes
- Feb 26, 2020Merge CSV files with respect to schema of any one of those4 votes
- Feb 24, 2024Miller returns nothing to stdout3 votes
- Jul 3, 2023Parse CSV with quotes, commas and newlines3 votes
- May 16, 2020I want to convert list of json files to csv with only specific attributes3 votes
25 more on Stack Overflow
- Feb 11, 2020csv file - remove line feed in the middle of string3 votes
- Dec 24, 2019Create .jsonl files from .csv3 votes
- Aug 21, 2019Reading Large CSV and splitting it into smaller chunks3 votes
- Oct 7, 2020How to "Partial-Transpose-and-Duplicate" rows in a CSV with a CSV command line tool2 votes
- Apr 16, 2020Bash script to add double quotes in .CSV comma delimited file2 votes
- Nov 18, 2019Remove comma inside Comma Delimited File csv in SSIS Using Script task2 votes
- Sep 17, 2019How to flatten this json as a tsv?2 votes
- Apr 5, 2019How to format csv into multiline newline delimited plain text output using csvkit2 votes
- Jan 24, 2019How to re-pivot data in bash?2 votes
- Mar 23, 2025Sort CSV file by multiple columns using the "sort" command1 vote
- Feb 12, 2021How to get the pivot lines from two tab-separated files?1 vote
- Oct 13, 2020Csv trasform one row in 4 row1 vote
- Aug 31, 2020Find value from one csv in another one (like vlookup) in bash (Linux)1 vote
- Jun 8, 2020GROUP BY CSV columns in bash1 vote
- May 30, 2020CSV Filtering a column with mixed data types1 vote
- Mar 19, 2020How to add double quote in csv file where field contains space?1 vote
- Feb 9, 2020Bash - Removing empty columns from .csv file1 vote
- Jan 26, 2020Need help to JOIN two CSV files1 vote
- Jan 10, 2020Shard CSV based on time values1 vote
- Oct 17, 2019How to parse a complicated csv file in R?1 vote
- Aug 7, 2019Get difference between two csv files based on column using bash1 vote
- Apr 11, 2019Is there a way to parse multiple lines to a single line by merging duplicates and tabbing non-duplicates?1 vote
- Feb 24, 2019Combining Multiple CSV Files1 vote
- Jan 22, 2019Need to replace specific text in CSV file using batch script1 vote
- Nov 16, 2017How to get average, median, mean stats from a file which has numbers in first column?1 vote
On Bluesky · 4
- Nov 10, 2024Miller : un outil Open Source pour le traitement de données en ligne de commande. Il permet de manipuler des fichiers CSV, TSV et JSON avec… — @bearstech.com17 likes and reposts
- Aug 8, 2024Miller : un outil Open Source pour le traitement de données en ligne de commande. Il permet de manipuler des fichiers CSV, TSV et JSON avec… — @bearstech.com11 likes and reposts
- Apr 13, 2025Miller github.com/johnkerl/mil... Is a very impressive stream-processing tool for tabular data with it's whole own processing sub-language,… — @jaykul.bsky.social4 likes and reposts · 1 reply
- Sep 6, 2025🔗 Liens utiles Miller : 👉 Le projet : github.com/johnkerl/... 👉 En savoir plus : miller.readthedocs.i... — @bearstech.com1 likes and repost · 1 reply
On the web · 3
- Sep 19, 2024miller evaluates all records even when not needed #1653 — google.com
- Jul 31, 2023Support comments in `mlr -s` files · Issue #1343 · johnkerl/ ... — google.com
- Nov 23, 2015Not outputing csv headers · Issue #88 · johnkerl/miller — google.com
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