{"id":13589509,"url":"https://learnbyexample.github.io/learn_ruby_oneliners/","last_synced_at":"2025-04-08T09:33:03.794Z","repository":{"id":65087855,"uuid":"299184737","full_name":"learnbyexample/learn_ruby_oneliners","owner":"learnbyexample","description":"Example based guide for text processing with Ruby from the command line","archived":false,"fork":false,"pushed_at":"2024-02-20T09:26:53.000Z","size":3157,"stargazers_count":173,"open_issues_count":0,"forks_count":16,"subscribers_count":7,"default_branch":"master","last_synced_at":"2024-08-21T21:27:35.890Z","etag":null,"topics":["command-line","ebooks","exercises","learn-by-doing","one-liners","ruby","text-processing"],"latest_commit_sha":null,"homepage":"https://learnbyexample.github.io/learn_ruby_oneliners/","language":"Shell","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/learnbyexample.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null}},"created_at":"2020-09-28T04:12:45.000Z","updated_at":"2024-07-19T05:20:52.000Z","dependencies_parsed_at":"2024-02-23T05:42:42.278Z","dependency_job_id":null,"html_url":"https://github.com/learnbyexample/learn_ruby_oneliners","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/learnbyexample%2Flearn_ruby_oneliners","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/learnbyexample%2Flearn_ruby_oneliners/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/learnbyexample%2Flearn_ruby_oneliners/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/learnbyexample%2Flearn_ruby_oneliners/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/learnbyexample","download_url":"https://codeload.github.com/learnbyexample/learn_ruby_oneliners/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":223314186,"owners_count":17125021,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["command-line","ebooks","exercises","learn-by-doing","one-liners","ruby","text-processing"],"created_at":"2024-08-01T16:00:31.017Z","updated_at":"2024-11-06T09:31:06.118Z","avatar_url":"https://github.com/learnbyexample.png","language":"Shell","readme":"# Ruby One-Liners Guide\n\nExample based guide for text processing with Ruby from the command line. Visit https://youtu.be/nsWVepZruws for a short video about the book.\n\n\u003cp align=\"center\"\u003e\u003cimg src=\"./images/ruby_oneliners_ls.png\" alt=\"Ruby One-Liners Guide ebook cover image\" /\u003e\u003c/p\u003e\n\nThe book also includes exercises to test your understanding, which are presented together as a single file in this repo — [Exercises.md](./exercises/Exercises.md).\n\nFor solutions to the exercises, see [Exercise_solutions.md](./exercises/Exercise_solutions.md).\n\nSee [Version_changes.md](./Version_changes.md) to keep track of changes made to the book.\n\n\u003cbr\u003e\n\n# E-book\n\n* You can purchase the pdf/epub versions of the book using these links:\n    * https://learnbyexample.gumroad.com/l/ruby-oneliners\n    * https://leanpub.com/ruby-oneliners\n* You can also get the book as part of these bundles:\n    * **Ruby text processing** bundle from https://learnbyexample.gumroad.com/l/ruby-textprocessing or https://leanpub.com/b/ruby-textprocessing\n    * **Magical one-liners** bundle from https://learnbyexample.gumroad.com/l/oneliners or https://leanpub.com/b/oneliners\n    * **All books bundle** bundle from https://learnbyexample.gumroad.com/l/all-books\n        * Includes all my programming books\n* See https://learnbyexample.github.io/books/ for a list of other books\n\nFor a preview of the book, see [sample chapters](./sample_chapters/ruby_oneliners_sample.pdf).\n\nThe book can also be [viewed as a single markdown file in this repo](./ruby_oneliners.md). See my blogpost on [generating pdfs from markdown using pandoc](https://learnbyexample.github.io/customizing-pandoc/) if you are interested in the ebook creation process.\n\nFor the web version of the book, visit https://learnbyexample.github.io/learn_ruby_oneliners/\n\n\u003cbr\u003e\n\n# Testimonials\n\n\u003eThis Ruby one-liners cookbook is incredible. Pretty mind boggling all the stuff you can do.\n\u003e\n\u003e — [feedback on twitter](https://twitter.com/jbrancha/status/1506766118756786189)\n\n\u003cbr\u003e\n\n# Feedback\n\n⚠️ ⚠️ Please DO NOT submit pull requests. Main reason being any modification requires changes in multiple places.\n\nI would highly appreciate it if you'd let me know how you felt about this book. It could be anything from a simple thank you, pointing out a typo, mistakes in code snippets, which aspects of the book worked for you (or didn't!) and so on. Reader feedback is essential and especially so for self-published authors.\n\nYou can reach me via:\n\n* Issue Manager: [https://github.com/learnbyexample/learn_ruby_oneliners/issues](https://github.com/learnbyexample/learn_ruby_oneliners/issues)\n* E-mail: `echo 'bGVhcm5ieWV4YW1wbGUubmV0QGdtYWlsLmNvbQo=' | base64 --decode`\n* Twitter: [https://twitter.com/learn_byexample](https://twitter.com/learn_byexample)\n\n\u003cbr\u003e\n\n# Table of Contents\n\n1) Preface\n2) One-liner introduction\n3) Line processing\n4) Field separators\n5) Record separators\n6) Multiple file input\n7) Processing multiple records\n8) Two file processing\n9) Dealing with duplicates\n10) Processing structured data\n\n\u003cbr\u003e\n\n# Acknowledgements\n\n* [ruby-lang documentation](https://www.ruby-lang.org/en/documentation/) — manuals and tutorials\n* [stackoverflow](https://stackoverflow.com/) — for getting answers to pertinent questions on Ruby and related commands\n* [tex.stackexchange](https://tex.stackexchange.com/) — for help on [pandoc](https://github.com/jgm/pandoc/) and `tex` related questions\n* [/r/ruby/](https://old.reddit.com/r/ruby/) — helpful forum\n* [canva](https://www.canva.com/) — cover image\n* [oxipng](https://github.com/shssoichiro/oxipng), [pngquant](https://pngquant.org/) and [svgcleaner](https://github.com/RazrFalcon/svgcleaner) — optimizing images\n* [Warning](https://commons.wikimedia.org/wiki/File:Warning_icon.svg) and [Info](https://commons.wikimedia.org/wiki/File:Info_icon_002.svg) icons by [Amada44](https://commons.wikimedia.org/wiki/User:Amada44) under public domain\n* **KOTP** for spotting grammatical mistakes\n* [mdBook](https://github.com/rust-lang/mdBook) — for web version of the book\n    * [mdBook-pagetoc](https://github.com/JorelAli/mdBook-pagetoc) — for adding table of contents for each chapter\n    * [minify-html](https://github.com/wilsonzlin/minify-html) — for minifying html files\n\nA heartfelt thanks to all my readers. Your valuable support has significantly eased my financial concerns and allows me to continue working on programming ebooks.\n\n\u003cbr\u003e\n\n# License\n\nThe book is licensed under a [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License](https://creativecommons.org/licenses/by-nc-sa/4.0/).\n\nThe code snippets are licensed under MIT, see [LICENSE](./LICENSE) file.\n\n","funding_links":[],"categories":["Ruby","Miscellaneous"],"sub_categories":["Ruby that is not web development"],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/learnbyexample.github.io%2Flearn_ruby_oneliners%2F","html_url":"https://awesome.ecosyste.ms/projects/learnbyexample.github.io%2Flearn_ruby_oneliners%2F","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/learnbyexample.github.io%2Flearn_ruby_oneliners%2F/lists"}