Modern Bash Scripting in 2026: Strict Mode, Traps, and Production Patterns
Most production Bash scripts were written like it is still 2008 β no error handling, no strict mode, no signal traps, and a "set -e" that does nothing in the cases that matter. This guide covers the modern Bash patterns that separate scripts you trust to run unattended at 3 AM from the ones that page you. Strict mode that actually works, traps for real cleanup, structured logging, and the testing patterns that catch bugs before they hit production....