Linux Bash Scripting

Produce bash scripts that pass shellcheck --enable=all and shfmt -d with zero warnings.

Target: GNU Bash 4.4+ on Linux. No macOS/BSD workarounds, no Windows paths, no POSIX-only restrictions.

Script Foundation

#!/usr/bin/env bash
set -Eeuo pipefail
shopt -s inherit_errexit

SCRIPT_DIR=$(dirname -- "${BASH_SOURCE[0]}") || exit "$?"
SCRIPT_DIR=$(cd -- "${SCRIPT_DIR}" && pwd -P) || exit "$?"
readonly SCRIPT_DIR