Fixes to get list of F/W file SHA256 signatures.

- Fixed bug in the original command expression where the very first SHA256 signature was removed.
- Modified command to make it a bit less dependent on possible future HTML formatting changes.

Author: Martinski4GitHub

MerlinAU.sh

@@ -4622,10 +4622,13 @@ Please manually update to version $minimum_supported_version or higher to use th
     fi
 
     ##----------------------------------------##
-    ## Modified by Martinski W. [2024-Jun-05] ##
+    ## Modified by Martinski W. [2024-Jun-30] ##
     ##----------------------------------------##
     # Fetch the latest SHA256 checksums from ASUSWRT-Merlin website #
-    checksums="$(curl -Ls --retry 4 --retry-delay 5 --retry-connrefused https://www.asuswrt-merlin.net/download | sed -n '/<p><strong>SHA256 signatures:<\/strong><\/p>/,/<\/pre>/p' | sed -n '/<pre[^>]*>/,/<\/pre>/p' | sed -e 's/<[^>]*>//g' | sed '1d')"
+    checksums="$(curl -Ls --retry 4 --retry-delay 5 --retry-connrefused \
+ https://www.asuswrt-merlin.net/download | \
+ sed -n '/<.*>SHA256 signatures:<\/.*>/,/<\/pre>/p' | \
+ sed -n '/<pre[^>].*>/,/<\/pre>/p' | sed -e 's/<[^>].*>//g')"
 
     if [ -z "$checksums" ]
     then