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Best practices for writing shell scripts
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#!/usr/bin/env bash | |
# https://sharats.me/posts/shell-script-best-practices/ | |
set -o errexit | |
set -o nounset | |
set -o pipefail | |
if [[ "${TRACE-0}" == "1" ]]; then | |
set -o xtrace | |
fi | |
if [[ "${1-}" =~ ^-*h(elp)?$ ]]; then | |
echo 'Usage: ./script.sh arg-one arg-two | |
This is an awesome bash script to make your life better. | |
' | |
exit | |
fi | |
cd "$(dirname "$0")" | |
main() { | |
echo do awesome stuff | |
} | |
main "$@" |
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