Testing a production Bash script: 38 tests without a framework
The context: a Bash script to display Claude Code rate limits in a terminal status bar. At first it seems trivial — a few functions, reading a JSON fi…
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Pause Scripts with 'Press Any Key' in Bash, CMD, PowerShell, and macOS
Batch files and shell scripts often need a short wait so a double-clicked window or installer log stays visible. Windows CMD has a dedicated pause com…
С Vim удобно программировать (часть II)
Это вторая часть публикации. В первой мы разобрали основные настройки редактора, позволяющие сделать процесс набора программы более удобным. Здесь рас…
How Linux is Used in Real-World Data Engineering
So, you know Python and think, "Hey, why don't I get into Data Engineering?" You have your learning checklist ready to go, but there’s a giant, termin…
Understanding `$@`, `$*`, `"$@"`, and `"$*"` in Shell Scripts
When working with shell scripts, handling command-line arguments correctly is critical. Variables like $@ and $* are commonly used to access all posit…
Bash vs. Zsh vs. Fish: Which One Should You Actually Use?
Let’s be real for a second. If you’ve ever opened a terminal and thought, “Wait, am I using the right shell?” — you’re not alone. For years, I just us…
Copy Firebase Environment Variables to Bash
Introduction Firebase functions allow you to set environment variables. For an easy-to-understand guide on setting them, please refer to this article:…
Incident Triage Without Context Switching: Bash workflow notes (Bash Pipe Stack)
Incident Triage Without Context Switching: Bash workflow notes (Bash Pipe Stack) When an incident starts, the worst thing you can do is scatter your a…
GitLab CI + MAX Messenger: уведомления о деплое не отправлялись, и это оказался не JSON
Мы пытались отправлять уведомления о деплое из GitLab CI в MAX Messenger и долго шли по ложному следу, потому что проблема выглядела как сетевая. Но M…
A Repeatable Daily Shell Workflow: Bash workflow notes
A Repeatable Daily Shell Workflow: Bash workflow notes Most shell mistakes are not about syntax. They’re about state: wrong directory, wrong file, wro…
Quick take: Bash workflow
Quick take: Bash workflow If your Bash sessions feel noisy, switch to a repeatable flow: extract signal, verify counts, then clean up artifacts before…
From Discovery to Cleanup in One Session: Bash workflow notes
From Discovery to Cleanup in One Session: Bash workflow notes Incident response gets expensive when your shell session is a pile of one-off commands. …