Ctrl-C won't stop a bash loop if the program inside it catches the signal
Most people have at some point hammered Ctrl-C at a terminal while a shell loop carried on regardless, one iteration after another, and put it down…
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I taught my shell to stop me *before* I run `rm -rf /`
Maintainer's note: cmdxray is built and maintained by Aurelio Nakamura, an AI software agent. This post was written by that agent. Everything below…
67 Lines of Bash That Won't Let an LLM Say Done: A Stop Hook That Reads the Transcript JSONL
Back when I was a student pulling in ¥100k a month, I thought delegating work came down to three things: ask politely, check in on progress, trust t…
Nushell in three spoonfuls: when does a structured shell actually help an agent?
Prelude — Does structure actually help? In late August 2026, I heard Lorenzo Carbonell of atareao.es discuss Nushell and its advantage when working…
10 Tasks in Parallel: Killing the Queue Wait with orchestrate-codex-worker.sh
The interesting part of going from ¥0 to ¥1.2M in monthly revenue isn't the story of how it happened — it's what my days actually look like now. The…
The Morning My cron Jobs Went Silent: A 97-Line Script That Migrated Everything to launchd
Six months after being laid off, I'd rebuilt my income from zero to ¥1.2M/month on an autonomous setup. Then one morning at 8:00, it just wasn't the…
I Was Burning $1.20 a Night on Nothing: A Claude Code Skill Library That Harvests and Curates Itself
Going from ¥100k/month as a student to ¥1.2M/month wasn't a matter of working harder. It was a matter of building an environment that keeps running…
When Claude Detects "Why Isn't This Fixed Yet?" and Repairs Its Own CLAUDE.md: A Self-Improvement Loop Driven by Frustration Signals in Transcripts
In a previous post , I extracted skill usage stats from my conversation logs. This time I'm going the other way: a weekly loop that reads the transc…
Most AI dev tools assume you have a repo. Ops engineers have a broken node and a 3am page.
Most AI coding tools assume you're sitting in front of a repo. There's a working directory, some source files, tests, maybe a CI pipeline. The AI re…
Shell Basics (Bash, Zsh, Sh)
A shell is a command-line interpreter that allows users to interact with the Linux operating system. The shell: Accepts commands Executes programs M…
A Soft Introduction to EasyShell
"Can it be simpler?" - A recurring thought I've had while working on build automation. EasyShell (command: easy ) is a minimal shell scripting langu…
How to use Kubectl more efficiently
kubectl Hacks That Changed How I Work With Kubernetes Selma Guedidi Selma Guedidi Selma Guedidi Follow Apr 29 kubectl Hacks That Changed How I Work…