From a1548a5e1ce3fe3cfde44e901a7b45a696554b72 Mon Sep 17 00:00:00 2001
From: MDLeom <2809763-curben@users.noreply.gitlab.com>
Date: Sun, 10 Mar 2024 03:06:51 +0000
Subject: [PATCH] fix: may not necessarily contain ipv4 entries

---
 src/script.sh | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/script.sh b/src/script.sh
index 9db3c47c..a281726f 100644
--- a/src/script.sh
+++ b/src/script.sh
@@ -340,11 +340,17 @@ sed "1i $COMMENT" | \
 sed "1s/Domains/Names/" > "../public/phishing-filter-dnscrypt-blocked-names.txt"
 
 # IPv4-based
-cat "phishing-notop-domains.txt" | \
-sort | \
-grep -E "^([0-9]{1,3}[\.]){3}[0-9]{1,3}$" | \
-sed "1i $COMMENT" | \
-sed "1s/Domains/IPs/" > "../public/phishing-filter-dnscrypt-blocked-ips.txt"
+if grep -Eq "^([0-9]{1,3}[\.]){3}[0-9]{1,3}$" "phishing-notop-domains.txt"; then
+  cat "phishing-notop-domains.txt" | \
+  sort | \
+  grep -E "^([0-9]{1,3}[\.]){3}[0-9]{1,3}$" | \
+  sed "1i $COMMENT" | \
+  sed "1s/Domains/IPs/" > "../public/phishing-filter-dnscrypt-blocked-ips.txt"
+else
+  echo | \
+  sed "1i $COMMENT" | \
+  sed "1s/Domains/IPs/" > "../public/phishing-filter-dnscrypt-blocked-ips.txt"
+fi
 
 ## Temporarily disable command print
 set +x