Created
October 23, 2019 03:41
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getenv with default in bash
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| #!/usr/bin/env bash | |
| set -euo pipefail | |
| key="${1:?Env var is required as first parameter}" | |
| default=${2:-} | |
| value="${!key:-$default}" | |
| : "${value:?Env var $key not found}" | |
| printf "%s" "${value}" |
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