if validate?

= view_marker

> if [[ -v {{ name.upcase }} ]]; then
validate.each do |funcname|
>   validation_output="$(validate_{{ funcname }} "${{ name.upcase }}")"
>   if [[ -n "${validation_output}" ]]; then
>     printf "{{ strings[:environment_variable_validation_error] }}\n" "{{ usage_string }}" "$validation_output" >&2
>     exit 1
>   fi
end
> fi
>

end