{"slug": "entr", "name": "entr", "category": "terminal", "category_name": "Terminal and shell", "description": "", "recommenders": 3, "commenters": 3, "warners": 0, "score": 2.62, "rising": -0.98, "first": "2026-03-28", "latest": "2026-04-01", "why": "the excellent entr https://eradman.com/entrproject/", "why_is_quote": true, "has_verdict": false, "sentiment": {"recommend": 3, "neutral": 0, "compare": 0, "warn": 0}, "spark": [0, 0, 0, 0, 1, 2, 0, 0, 0, 0, 0, 0], "listed": true, "loved": [], "caveat": "", "short_quote": "the excellent entr https://eradman.com/entrproject/", "icon": true, "domain": "eradman.com", "github_repo": null, "official_url": "https://eradman.com/entrproject/", "pricing": "", "aliases": ["entr"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 761703748, "item_id": 47606484, "url": "https://news.ycombinator.com/item?id=47606484", "by": "Zizizizz", "date": "2026-04-01", "stance": "recommend", "quote": "rerun commands automatically when provided files change", "excerpt": "https://github.com/atuinsh/atuin for fuzzy shell history (ctrl+r) https://github.com/sharkdp/bat (nice coloured cat replacement) https://github.com/abiosoft/colima (so I don't need docker desktop) https://github.com/duckdb/duckdb (performant database that lets you directly query JSON, parquet, csv files with SQL queries and convert one to the other. https://github.com/eradman/entr (rerun commands automatically when p", "context": "", "use_case": "rerun tests on file save", "switched_from": "", "story": "Ask HN: What dev tools do you rely on that nobody talks about?"}, {"id": 761691458, "item_id": 47605716, "url": "https://news.ycombinator.com/item?id=47605716", "by": "artakulov", "date": "2026-04-01", "stance": "recommend", "quote": "Also `entr` for file watching", "excerpt": "jq piped with curl for API debugging. Sounds obvious but I still see people open Postman for things that take 10 seconds in the terminal. `curl -s url | jq '.data[] | {id, status}'` and you're done. Also `entr` for file watching \u2014 `ls *.js | entr -r node build.js`. Replaced like three different watch tools for me.", "context": "", "use_case": "file watching", "switched_from": "", "story": "Ask HN: What dev tools do you rely on that nobody talks about?"}, {"id": 760919936, "item_id": 47557496, "url": "https://news.ycombinator.com/item?id=47557496", "by": "somat", "date": "2026-03-28", "stance": "recommend", "quote": "the excellent entr https://eradman.com/entrproject/", "excerpt": "I love small personal projects like this, especially their writeups. I always have a hard time learning unless I am actually using it for something. For more software in this domain see also the excellent entr https://eradman.com/entrproject/", "context": "", "use_case": "running commands on file changes", "switched_from": "", "story": "Detecting file changes on macOS with kqueue"}]}], "caveats": [], "who": [], "tags": [], "use_cases": ["rerun tests on file save", "file watching", "running commands on file changes"], "compared": [{"slug": "lazygit", "name": "lazygit", "co": 2, "switched_from": 0, "switched_to": 0}, {"slug": "atuin", "name": "Atuin", "co": 2, "switched_from": 0, "switched_to": 0}], "makers": [], "threads": [{"url": "https://news.ycombinator.com/item?id=47602040", "title": "Ask HN: What dev tools do you rely on that nobody talks about?", "mentions": 2}, {"url": "https://news.ycombinator.com/item?id=47508710", "title": "Detecting file changes on macOS with kqueue", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {}, "2026-01": {}, "2026-02": {}, "2026-03": {"recommend": 1}, "2026-04": {"recommend": 2}, "2026-05": {}, "2026-06": {}, "2026-07": {}, "2026-08": {}, "2026-09": {}, "2026-10": {}}, "quotes": [{"id": 761703748, "item_id": 47606484, "url": "https://news.ycombinator.com/item?id=47606484", "by": "Zizizizz", "date": "2026-04-01", "stance": "recommend", "quote": "rerun commands automatically when provided files change", "excerpt": "https://github.com/atuinsh/atuin for fuzzy shell history (ctrl+r) https://github.com/sharkdp/bat (nice coloured cat replacement) https://github.com/abiosoft/colima (so I don't need docker desktop) https://github.com/duckdb/duckdb (performant database that lets you directly query JSON, parquet, csv files with SQL queries and convert one to the other. https://github.com/eradman/entr (rerun commands automatically when p", "context": "", "use_case": "rerun tests on file save", "switched_from": "", "story": "Ask HN: What dev tools do you rely on that nobody talks about?"}, {"id": 761691458, "item_id": 47605716, "url": "https://news.ycombinator.com/item?id=47605716", "by": "artakulov", "date": "2026-04-01", "stance": "recommend", "quote": "Also `entr` for file watching", "excerpt": "jq piped with curl for API debugging. Sounds obvious but I still see people open Postman for things that take 10 seconds in the terminal. `curl -s url | jq '.data[] | {id, status}'` and you're done. Also `entr` for file watching \u2014 `ls *.js | entr -r node build.js`. Replaced like three different watch tools for me.", "context": "", "use_case": "file watching", "switched_from": "", "story": "Ask HN: What dev tools do you rely on that nobody talks about?"}, {"id": 760919936, "item_id": 47557496, "url": "https://news.ycombinator.com/item?id=47557496", "by": "somat", "date": "2026-03-28", "stance": "recommend", "quote": "the excellent entr https://eradman.com/entrproject/", "excerpt": "I love small personal projects like this, especially their writeups. I always have a hard time learning unless I am actually using it for something. For more software in this domain see also the excellent entr https://eradman.com/entrproject/", "context": "", "use_case": "running commands on file changes", "switched_from": "", "story": "Detecting file changes on macOS with kqueue"}]}