template.sh

template.sh

#!/usr/bin/env bash

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 a longer description of the script.
'
    exit
fi

cd "$(dirname "$0")"

main() {
    echo 'hello, script'
}

# run the main function with all args
main "$@"