for _variable in "${@}"; do
msg_debug -n "Checking ${_variable}..."
eval ": \${${_variable}:=''}"
- _value="$(eval echo "\$${_variable}")"
+ _value="$(eval echo "\${${_variable},,}")"
+ eval "${_variable}=${_value}"
if [[ ! -v "${1}" ]] || [[ "${_value}" = "" ]]; then
[[ "${debug}" = true ]] && echo ; msg_error "The variable name ${_variable} is empty." "1"
elif [[ ! "${_value}" = "true" ]] && [[ ! "${_value}" = "false" ]]; then