Update check_urls.sh

Author: shoumikhin

scripts/check_urls.sh

@@ -25,12 +25,13 @@ while IFS=: read -r filepath url; do
     request_id=$(curl -sS -H 'Accept: application/json' \
       "https://check-host.net/check-http?host=$url&max_nodes=1&node=us3.node.check-host.net" \
       | jq -r .request_id)
-    sleep 5
-    code=$(curl -sS -H 'Accept: application/json' \
-      "https://check-host.net/check-result/$request_id" \
-      | jq -r '.[][0][3]')
+    for i in {1..3}; do
+      code=$(curl -sS -H 'Accept: application/json' \
+        "https://check-host.net/check-result/$request_id" \
+        | jq -r -e '.[][0][3]') || code=000
+      sleep 3
+    done
   fi
-  [[ "$code" =~ ^[0-9]+$ ]] || code=000
   if [ "$code" -ge 200 ] && [ "$code" -lt 400 ]; then
     printf "${green}%s${reset} ${cyan}%s${reset}\n" "$code" "$url"
   else