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Bash

Shell scripting that fails loudly: set -euo pipefail, quoting, traps and the gaps that bite.

Why set -e doesn't catch a failure in foo | bar (and the other gaps)

set -euo pipefail is the right header, but it has holes - pipelines, conditions, && chains and local x=$(cmd). What each one misses and how to close it.

3 Oct 2026 · 2 min read