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Tab is whitespace, so your TSV parser is not one

Tab is whitespace, so your TSV parser is not one

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6 min read
Auto-Retiring Skills You No Longer Use: Weekly Skill Lifecycle Management with launchd

Auto-Retiring Skills You No Longer Use: Weekly Skill Lifecycle Management with launchd

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7 min read
Fully Custom Claude Code Status Line: A JSON-Driven 3-Line Readout of Quota, Cost, and Health

Fully Custom Claude Code Status Line: A JSON-Driven 3-Line Readout of Quota, Cost, and Health

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7 min read
jq in Shell Scripts: The Small Things That Trip You Up

jq in Shell Scripts: The Small Things That Trip You Up

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2 min read
Bring nvm as a Command to Your CLI: Demystifying the Shell Function

Bring nvm as a Command to Your CLI: Demystifying the Shell Function

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2 min read
Wonderd about a Shell in Rust

Wonderd about a Shell in Rust

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1 min read
Build your own shell, and learn how every program gets started

Build your own shell, and learn how every program gets started

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3 min read
Log Every Agent Invocation: Building Usage Analytics with Claude Code's Stop Hook and transcript_path

Log Every Agent Invocation: Building Usage Analytics with Claude Code's Stop Hook and transcript_path

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6 min read
Sandbox Your Shell-Exec MCP Server With Command Allowlists

Sandbox Your Shell-Exec MCP Server With Command Allowlists

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4 min read
一個很小但很好用的 zsh 技巧:修改上一個指令

一個很小但很好用的 zsh 技巧:修改上一個指令

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1 min read
A Tiny zsh Trick: Modify Your Last Command

A Tiny zsh Trick: Modify Your Last Command

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2 min read
Backslashes vanished between source and eval.

Backslashes vanished between source and eval.

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4 min read
Shell Programming Best Practices

Shell Programming Best Practices

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12 min read
How to align columnar output in the terminal

How to align columnar output in the terminal

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5 min read
I keep changing shells. It's not restlessness — it's requirements drift.

I keep changing shells. It's not restlessness — it's requirements drift.

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4 min read
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