Updated Download function.

linux-game-manager.sh

@@ -205,7 +205,7 @@ download() {
        fi
        # Skip if the item is in cache.
        test -e "${cache}/${dest}" && continue
-        { if ! curl -L4 --output "${cache}/${dest}" "${i}" ; then
+       { if ! curl -L4 -C - --retry 10 --output "${cache}/${dest}" "${i}" ; then
            echo "Could not download \"$i\"..."
            exit 1
        fi; } | dialog --backtitle "Linux Game Manager" \
@@ -215,13 +215,31 @@ download() {
            "pk3"|"zip")
                unzip -tq "${cache}/${dest}"  | dialog --backtitle "Linux Game Manager" \
                    --progressbox "Validating ${dest##*.} file" -1 -1 --stdout
-                    downloadError= $?
+                   downloadError=$?
+           ;;
+           "7z")
+               7z t "${cache}/${dest}" | dialog --backtitle "Linux Game Manager" \
+                   --progressbox "Validating 7z file" -1 -1 --stdout
+                   downloadError=$?
+           ;;
+           "exe")
+               # Check if it's a valid Windows executable by looking at the MZ header
+               if ! hexdump -n 2 -v -e '/1 "%02X"' "${cache}/${dest}" | grep -q "4D5A"; then
+                   downloadError=0
+               fi
            ;;
            "wad")
                if [[ "$(file -b --mime-type "${cache}/${dest}")" != "application/octet-stream" ]]; then
                    downloadError=0
                fi
            ;;
+           *)
+               # Add HTML check for other file types
+               if file -b "${cache}/${dest}" | grep -q "HTML document" ; then
+                   echo "File not found: \"$i\" (HTML document probably 404)"
+                   downloadError=0
+               fi
+           ;;
        esac
        if [[ $downloadError -eq 0 ]]; then
            rm -fv "${cache}/${dest}"