#! /bin/bash function _escape { echo "${1//./\\.}" } # Check if string input is an empty line, only whitespaces # or `#` as the first non-whitespace character. function _is_comment { grep -q -E "^\s*$|^\s*#" <<< "${1}" } # Provide the name of an environment variable to this function # and it will return its value stored in /etc/dms-settings function _get_dms_env_value { local VALUE VALUE=$(grep "^${1}=" /etc/dms-settings | cut -d '=' -f 2) printf '%s' "${VALUE:1:-1}" }