Re/move unused scripts and add a new combined script

scripts/firmware-check-ros.rsc

@@ -0,0 +1,43 @@
+# Alert upon new Router OS Version
+
+# requirement/s:
+#   policy: read, write, policy, test
+#   active internet
+#   $adminEmail
+
+:global adminEmail
+:if ([:typeof $adminEmail] = "nothing" || $adminEmail = "") do={
+  :log error "adminEmail is not defined or nil."; :error "Error: Check the log"; }
+
+:local versionStatus
+
+:log info "\nChecking for new version of Router OS..."
+
+/system package update
+check-for-updates once
+
+:do {
+  :delay 3s
+
+  :set $versionStatus [get status]
+  # alternative way to get the above info
+  # :set $versionStatus ([print as-value]->"status")
+} while=( $versionStatus = "finding out latest version..." )
+
+:local installedVersion [get installed-version]
+:local latestVersion [get latest-version]
+
+:if ( $versionStatus = "New version is available" ) do={
+# alternative method
+# :if ( installedVersion != $latestVersion ) do={
+    :log info "A new update is available for Router OS."
+    /tool e-mail send to="$adminEmail" \
+      subject="Software Update is Available" \
+      body="A new Router OS update is available...
+
+      Installed Version: $installedVersion
+          Latest Version: $latestVersion
+      "
+} else={
+  :log info "Router OS is up to date."
+}