LOCAL=$(awk 'BEGIN{ORS="|";} /^_/{ gsub(/\(\) {/, ""); print $0}' \
../acme.sh/dnsapi/dns*.sh | sed -r 's/\|$//')
-grep -P '\b_[a-zA-Z0-9_-]+ ' ../acme.sh/dnsapi/dns_*sh | \
+grep -P '(?<!["$])\b_[a-zA-Z0-9_-]+ ' ../acme.sh/dnsapi/dns_*sh | \
grep -Ev "$PRESENT|$LOCAL|\b_[a-zA-Z0-9_-]+=|^../acme.sh/dnsapi/.*sh: *#"