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implementing output redirect in my shell project (using doom emacs, btw)

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implementing output redirect in my shell project (using doom emacs, btw)

Uploaded: 2026-06-04

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In this live stream, I’m diving back into the challenge of building a custom shell from scratch using Rust. I walk through the logic of parsing strings, handling arguments, and implementing output redirection. Along the way, we talk about why I made the switch to Doom Emacs (and why I love Evil mode), my thoughts on debugging with LLDB vs. GDB, and the importance of data privacy and self-hosting with tools like Tailscale. Highlights include: Implementing redirection and handling empty arguments in Rust. A deep dive into why keyboard-centric workflows (Vim/Emacs) are a game-changer. Discussion on the "day in the life" tech culture and security awareness. --- Join this channel to get access to perks: https://www.youtube.com/channel/UC9H0HzpKf5JlazkADWnW1Jw/join bashbunni is partnered with Tailscale! Tailscale leverages the Wireguard protocol to create a user friendly, low latency, peer-to-peer mesh network. It's free for individuals + get three months free off of any paid plan with code 'bashbunni'. https://link.bashbunni.dev/tailscale --- In this stream, I'm building a shell with a guided project from Code Crafters. This project is free for the next few months, so you can follow along too! I have a referral/affiliate link with them that gets you 40% off their annual plan (ignore the 72 hour window, you can redeem this discount indefinitely) https://link.bashbunni.dev/codecrafters Chapters: 00:00 - Stream Start & Layout Tweaks 04:50 - Today’s Goal: Building a Shell from Scratch 05:10 - Why I Love Doom Emacs & Keyboard Workflows 05:30 - Learning LLDB: Debugging on the Command Line 07:20 - Maintaining Open Source Forks & The Charm Ecosystem 10:50 - Switching Between Vim and Emacs (Evil Mode) 15:20 - Debugging the Shell: Redirection Logic 25:10 - String Parsing & Filtering Empty Args in Rust 37:20 - Refactoring with Iterators and Closures 46:50 - Handling Output Paths and Mutable Borrows 59:50 - Baking Yams & Food Talk 01:08:40 - Success! Redirection is Working 01:14:10 - Handling Standard Out vs. Standard Error 01:26:40 - Sponsor Shoutout: Privacy & Self-Hosting with Tailscale 01:29:40 - Thoughts on "Day in the Life" Content & NDA Security 01:43:00 - Final Clippy Appeasement & Code Cleanup 01:58:40 - Troubleshooting Unexpected Prompt Behavior 02:18:45 - Reflecting on Skill Growth & Project Momentum 02:33:15 - Using Books for Programming Structure 02:35:40 - Final Wrap-up & Raiding

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Source: bashbunni

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description: In this live stream, I’m diving back into the challenge of building a custom shell from scratch using Rust. I walk through the logic of parsing strings, handling arguments, and implementing output redirection. Along the way, we talk about why I made the switch to Doom Emacs (and why I love Evil mode), my thoughts on debugging with LLDB vs. GDB, and the importance of data privacy and self-hosting with tools like Tailscale. Highlights include: Implementing redirection and handling empty arguments in Rust. A deep dive into why keyboard-centric workflows (Vim/Emacs) are a game-changer. Discussion on the "day in the life" tech culture and security awareness. --- Join this channel to get access to perks: https://www.youtube.com/channel/UC9H0HzpKf5JlazkADWnW1Jw/join bashbunni is partnered with Tailscale! Tailscale leverages the Wireguard protocol to create a user friendly, low latency, peer-to-peer mesh network. It's free for individuals + get three months free off of any paid plan with code 'bashbunni'. https://link.bashbunni.dev/tailscale --- In this stream, I'm building a shell with a guided project from Code Crafters. This project is free for the next few months, so you can follow along too! I have a referral/affiliate link with them that gets you 40% off their annual plan (ignore the 72 hour window, you can redeem this discount indefinitely) https://link.bashbunni.dev/codecrafters Chapters: 00:00 - Stream Start & Layout Tweaks 04:50 - Today’s Goal: Building a Shell from Scratch 05:10 - Why I Love Doom Emacs & Keyboard Workflows 05:30 - Learning LLDB: Debugging on the Command Line 07:20 - Maintaining Open Source Forks & The Charm Ecosystem 10:50 - Switching Between Vim and Emacs (Evil Mode) 15:20 - Debugging the Shell: Redirection Logic 25:10 - String Parsing & Filtering Empty Args in Rust 37:20 - Refactoring with Iterators and Closures 46:50 - Handling Output Paths and Mutable Borrows 59:50 - Baking Yams & Food Talk 01:08:40 - Success! Redirection is Working 01:14:10 - Handling Standard Out vs. Standard Error 01:26:40 - Sponsor Shoutout: Privacy & Self-Hosting with Tailscale 01:29:40 - Thoughts on "Day in the Life" Content & NDA Security 01:43:00 - Final Clippy Appeasement & Code Cleanup 01:58:40 - Troubleshooting Unexpected Prompt Behavior 02:18:45 - Reflecting on Skill Growth & Project Momentum 02:33:15 - Using Books for Programming Structure 02:35:40 - Final Wrap-up & Raiding
title: implementing output redirect in my shell project (using doom emacs, btw)
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implementing output redirect in my shell project (using doom emacs, btw)

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