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I implemented "Reline" that is a compatibility library with "readline" stdlib by pure Ruby and works correctly without GNU Readline and works on Windows too. "Reidline" is authored for new IRB by keiju-san who is Ruby's grandfather, it behaves as a multiline editor like JavaScript console on browsers. It had many technical problems but I've already solved that when I implemented Reline. So I helped to complete Reidline. These are highlights of Ruby 2.7. I'll talk about the technical problems of these and show a demo on Ruby 2.7. RubyKaigi 2019 https://rubykaigi.org/2019/presentations/aycabta.html#apr18
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In this presentation titled "Terminal Editors For Ruby Core Toolchain" delivered at RubyKaigi 2019, Sakura Itoyanagi introduces his development of "Reline," a compatibility library designed to enhance terminal usability for Ruby programmers. The speaker outlines the challenges faced with the new Gridline tool and discusses how Reline provides a readline-compatible environment written in pure Ruby, addressing installation issues that frustrate beginners. Key highlights of the talk include: - **Background Information**: Introduced himself as a member of the Ruby core team and provided personal anecdotes related to his background and interests, including a history as a ramen chef and his passion for climbing. - **Motivation for Reline**: Acknowledged personal challenges due to a wrist injury that affected his programming work, pushing him to focus on developing more effective tools for terminal interaction. - **Technical Context**: Explained issues associated with terminal navigation and input in Ruby without proper readline libraries, emphasizing the need for a more user-friendly solution. - **Reline Features**: Detailed the functionalities of Reline, particularly its support for multiline editing and Windows compatibility via Win32 API, alongside managing ANSI escape codes for improved terminal output. - **Focus Areas**: Discussed character representation challenges in terminals and emphasized the significance of proper escape sequence management for enhanced usability. - **Development of Reidline**: Highlighted his contributions to Reidline, another multiline editor designed for IRB, discussing the improvements made to address earlier technical problems. - **Demonstration**: Provided a live demonstration showcasing Reline in action on Ruby 2.7, illustrating features like auto-completion and multi-line command execution, drawing parallels to similar functionalities found in JavaScript consoles. - **Conclusion**: Encouraged feedback and questions about Reline and reiterated his commitment to continuous improvement of terminal editing systems. In conclusion, Itoyanagi underscores the importance of enhancing Ruby's terminal interface for both beginners and seasoned users, aiming to create a more cohesive and productive coding environment.
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